Chapter 30 biology: the dynamics of life: reinforcement and study guide: fishes and amphibians

Answers

Answer 1

Amphibians are creatures that live in water and are born with gills; however, as they grow, many amphibians also acquire lungs.

As a result, they can eventually live on land. Some amphibians do live their entire lives with their gills. Amphibians lack scales, unlike fish, and the majority grow legs as they get older.

In general, there are two different groups of vertebrates: fish and amphibians. Although their natural habitats can occasionally be comparable, amphibians can live in both aquatic and terrestrial environments. Aside from that, fish and amphibians differ in key basic characteristics.

However, occasionally people misidentify the amphibian larvae as fish. Thus, understanding the distinctions between fish and amphibians is always preferable.

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Related Questions


Which factor does the moment magnitude scale estimate?
O damage
O location
wave strength
O energy released

Answers

I thinks it’s the energy released

What kind of rock? Igneous, Metamorphic, sedimentary. Explain why? plz help!! ASAP

Answers

Answer:

sedimentary

Explanation:

it seems eagle rock has sedimentary features, such as layers, or ripple marks

which of the following is a matter

Answers

Answer:

gas, liquid and solid

Explanation:

hi

Matters are Liquids,Solids,Gasses:)))

HELP PLEASE

A preservation biologist conducted an experiment on two islands (A and B) of similar size, climate, species composition, and richness. Originally, a large population of the same invasive species, a brown tree snake, was present on both islands. It had led to the extinction of some native lizards and forest birds. In her experiment, the biologist removed the brown tree snake from island B but not from island A. She then recorded the number of animal species on each island over a period of 24 months. The data collected is shown in the graph below:

Analyze the data above in terms of interspecific relationships and communities. Which statement best explains the difference in species present on each island over the course of the experiment?

The scientist is the ecosystem engineer of island B.
The brown tree snake was a keystone species on island B.
The brown tree snake is a foundation species on island A.
The brown tree snake is the ecosystem engineer on island A.

Answers

Boiga irregularis or brown snake is a slender, climbing snake with a vertical pupil and large eyes, providing it better nocturnal vision. The species has no natural predator. When the brown snake is accidentally released into the island, it will result in local extinction of the majority of the island's native lizard and bird species.

It will also result in cascading ecological influences by eradicating native pollinators, resulting in the corresponding reduction of the native plant species.

Hence, the correct answer will be fewer birds and more snakes.

Ecosystemic engineers might affect the ecosystem structure and community dynamics. Option D. The brown tree snake is the ecosystem engineer on island A.

What are ecosystem engineer species?

Ecosystemic engineers are organisms that can modify the environment in which they live, influencing other species by changing biotic and abiotic factors and affecting resources availability.

Usually, the interaction of ecosystemic engineers with other species has a consequence on the ecosystem structure and equilibrium.

Based on this concept, many invasive species are considered ecosystemic engineers.

Invasive species are uncontrollable and provoke significant damage to the structure of native ecosystems, affecting endemic species. They produce ecological imbalances in the trophic chains and the dynamics of communities.

By affecting the structure of native ecosystems, they produce cascade effects in resident biota, altering the composition and habits of species in the region and modifying physical and chemical conditions in the environment.

The statement that best explains the difference in species present on each island over the course of the experiment is that The brown tree snake is the ecosystem engineer on island A. Option D.

As we can see, in the presence of the brown tree snake, many species suffered extinction on island A, probably by both direct and indirect effects of the invasive snake.

Island B, on the other hand, kept plenty of species diversity. This is because the snake was removed from the island. Native species managed to increase their population size and to establish again.

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suggest why an MRSA infection may have to be treated with many different antibiotics

Answers

Answer:

A trio of antibiotics that had become powerless against MRSA decades ago proved effective in infected mice when used together.

Although more testing is needed, the results suggest that combinations of already-approved antibiotics might add to our options to combat MRSA infections.

Explanation:

Write 5-6 sentences that explains roles of Heredity and probability.

Answers

Answer:

Probability is a method for determining the likelihood of something uncertain occurring. If you flip a coin, you do not know whether it will be heads or tails, but probability can tell you that there is a 1/2 chance of either happening. Probability is a method used to predict the likelihoods of uncertain outcomes. It is important for the field of genetics because it is used to reveal traits that are hidden in the genome by dominant alleles. Probability allows scientists and doctors to calculate the chance that offspring will inherit certain traits, including some genetic diseases like cystic fibrosis and Huntington's disease.

Explanation:

Which organism is a secondary consumer?
a. Bear
b. Weasel
c. Deer
d. Rabbit
e. Grass

Answers

Answer:

I think weasel.

Hope it helps! :)

Explanation:

Answer:A.) Bear
Explanation:They eat other animals

Which term means a volume of a certain rock type of a specific age?
x geologic map
geologic unit
contact
O fault line



The answer is geologic unit

Answers

Thanks. :) this is really :)

During photosynthesis in plants, what is the source of the carbon in the glucose sugar molecule
(C6H12O6)?

Carbon dioxide in the air
Carbon monoxide in the air
Carbon particles in the soil
Carbon particles in water

Answers

Answer:

Carbon in the air

Explanation:

what happens during cytokines

Answers

Answer:

during cytokines the cytoplasm( the liquid center of the cell that holds the organelles in to place) split into two equal half's, and the cell becomes two daughter cells.

Which of the following is a major cause of extinctions?
volcanic eruptions
O earthquakes
solar flares
O overharvesting species

Answers

Answer:

volcanic eruptions

Explanation:

In a short, detailed paragraph, please answer the following.
What happens in the light reaction of photosynthesis?

What happens in the dark reaction of photosynthesis?

What five factors affect photosynthesis and its rate? How?

Answers

Answer:

Ans - 1 Photosynthesis begins with the light reactions. It is during these reactions that the energy from sunlight is absorbed by the pigment chlorophyll in the thylakoid membranes of the chloroplast.

Ans-2 The dark reactions of photosynthesis occur in the stroma of the chloroplast where they utilize the products of the light reaction. In the dark reaction, plants use carbon dioxide with ATP and NADPH from the light reactions to produce glucose.

Ans-3 The main factors affecting rate of photosynthesis are light intensity, carbon dioxide concentration and temperature.

a response to changes in an ecosystem that results in entire populations moving from one ecosystem to another.
I’m looking for the word for this definition ^

Answers

Answer:

this is a tough one try to remember specific examples from you instructor but for reference when a forest catches fire almost all life moves or dies however producers and decomposes leave behind seeds and will take the new place of the forest since the decomposes can add nutrients to the soil from dead organisms.

Which activity would reduce human sources of greenhouse gases? Increasing the size of livestock herds Monitoring worldwide volcanic activity Using wind energy to generate electricity Researching ways to add methane to the atmosphere

Answers

Answer:

The answer is "using wind energy to generate electricity".

Explanation:

The Wind turbines may not emit water or sulfur compounds (with rare exceptions) and require no water as a coolant. The cost of power produced from energy sources may also be reduced by windmills, which will result in lower overall air quality and hosing pollution, that's why Utilizing wind energy for energy production decreases human greenhouse gas sources.

In pea plants, purple flowers (P) are dominant to white flowers (p). What color flowers would the following genotypes produce in pea plants.

Answers

Need more information

My stummy hurts T_T wut do i do.

Answers

Answer: ONLY If your abdominal pain is serious, doesn't go away, or keeps coming back, talk to your doctor. Call 911 right away if your belly hurts because you had a recent injury there or if you have any chest pain. You should also contact your doctor as soon as you can if you have symptoms along with the pain, such as: Fever.
Explanation: IF NOT SERIOUS- Drinking water. ...
Avoiding lying down. ...
Ginger. ...
Mint. ...
Taking a warm bath or using a heating bag. ... please give me brainliest ❤️ ty

Which cities are experiencing clear weather? Which are experiencing rainy weather?
(Help me with questions 3 and 4 in the attachment please :( )

Answers

Answer:

3.) San Fransico and Denver because they are far away from the rain

4.) Dallas because it is right next to the high pressure

How can you use what you have learned in Biology to help yourself, family and the planet?

Answers

Answer: I’m not sure what you’ve learned but for me it’s that you shouldnt leave the lights on when you don’t need them, you should switch off the TV when you aren’t using it, if you see a piece of trash pick it up and throw it in a trash can, and recycle

Explanation: HAPPY (late) EARTH DAY!!

write two examples of consumers tell whether they are herbivores omnivores carnivors or scavengers

Answers

Answers

Lion,Tiger -Carnivores

vulture- scavenger

Cow,sheep -Herbivores

Man, Pig -Omnivores

A panda (herbivore) eats bamboo shoots and leaves, while a lion (carnivore) preys on other animals.A bear (omnivore) eats both plants and animals, while a vulture (scavenger) feeds on the remains of dead animals.What are consumers?

In an ecosystem, consumers are organisms that obtain their energy and nutrients by feeding on other organisms. They are a vital part of the food chain, and they come in different sizes and types.

Consumers can be classified into several categories based on what they eat. For example:

Herbivores: These are animals that consume only plants for their food. Examples include rabbits, cows, and giraffes.

Carnivores: These are animals that consume other animals for their food. Examples include lions, tigers, and sharks.

Omnivores: These are animals that eat both plants and animals. Examples include humans, bears, and raccoons.

Scavengers: These are animals that feed on the remains of dead organisms. Examples include vultures, hyenas, and some types of beetles.

Consumers play an important role in an ecosystem, as they help to transfer energy and nutrients from one level of the food chain to another. They are an integral part of maintaining the balance and stability of an ecosystem.

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The process of one ecological community gradually changing into another is called:
community development
ecological succession
O community succession
O ecological development

Answers

Answer:

ecological succession

GIVING BRAINLIEST AND THE REST OF MY POINTS!!!!!!!

How does the location of the heart, lungs, and brain differ in the human body?

A) The brain and heart are located in the head while the lungs are located in the chest.
B) The brain is located in the head while the heart and lungs are located in the chest.
C) The heart is located in the head while the brain and lungs are located in the chest.
D) The lungs are located in the head while the heart and brain are located in the chest.

Answers

Answer:

B

Explanation:

The heart and lungs are in the chest, while the brain is located at the head.

Answer:

B

Explanation:

I got it right on my test

Fill in the blank below with the vocabulary word that best completes the sentence.
Natural selection leads to
a process of change in a population over time.
DO NE

Answers

Answer:

natural growth

Explanation:

because all thing's which are natural are natural resources.

Answer:

Fill in the blank below with the word that best completes the sentence.

Natural selection leads to Evolution, a process of change in a population over time.

after

Complete the sentence below by selecting the correct words from the drop-down menus.

Factors that affect natural selection include

✔ variation

,

✔ overpopulation

, and

✔ adaptation

.

Explanation:

Xylem and phloem carry out specific functions in a plant. Which of the following terms does not apply to either xylem or phloem? a. Specialized cells b. Eukaryotic cells c. Differentiated cells d. Prokaryotic cells

Answers

Answer:

Prokaryotic cells

Explanation:

what are the Seven parts of the water system

Answers

1: Evaporation

2: Condensation

3: Sublimation

4: Precipitation

5: Transpiration

6: Runoff

7: Infiltration

Rocks are made of collections of mineral grains that are held together in a firm, solid mass. Rocks are identified primarily by the minerals they contain, their color, and their texture.

Based on this passage, you can infer...

A. Rocks are classified into three major groups
B. Rocks form from the cooling and hardening of molten rock
C. A rock's origin is the way it was formed
D. Each type of rock has a distinctive set of minerals

OMG PLSSS HELP ME PLS PLS PLS!!!!!!!

Answers

Answer:

Explanation: it’s a

Structural changes to genes

1) gene
2)mutations
3)cell
4)chromosome
5)trait

Answers

Answer:

mutation

Explanation:

As such, the nucleotide sequences found within it are subject to change as the result of a phenomenon called mutation

Which of the following is NOT a result of cell division

a
reproduction
b
nutrition
c
growth
d
repair

Answers

Answer:

its d repair crlls can't repair itself

Cell division is the division of cells through a series of events. It results in reproduction, growth and repair. Nutrition is not a result of cell division.

What is a cell cycle?

Cell cycle is a series of event where a cell grow, differentiate, accumulate nutrients, duplicates its genome and divide to form daughter cells.

Cell cycle has two phases in which one is interphase in which the cell grow and accumulate nutrition, along with this cell duplicates its genome. Second phase is M-phase in which cell division takes place.

Cell division helps cell in reproduction, growth and repair.

Thus, the correct option is b, as nutrition as it is not a result of cell division.

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the ovary develops into the?

Answers

Answer:

Ovules

I hope this helps!

Answer:

fruit

Explanation:

The ovary itself will mature into a fruit, either dry or fleshy, enclosing the seeds

What is the relationship between atmospheric pressure and the density of gas particles in an area of decreasing pressure? O As air pressure in an area decreases, the density of the gas particles in that area decreases. O As air pressure in an area decreases, the density of the gas particles in that area increases. O As air pressure in an area decreases, the density of the gas particles in that area remains constant. O As air pressure in an area decreases, the density of the gas particles in that area increases and decreases in an alternating pattern.​

Answers

Answer:

As air pressure decreases so does density of gas particles

Explanation:

Which of the following statements about the effects of pollution on marine ecosystems is true?
A)
Burning fossil fuels causes a direct increase in the temperatures of ocean water.
B)
Burning fossil fuels causes an increase in the acidity of ocean water.
C)
Pollution in marine ecosystems causes a decrease in the formation of algal blooms.
D)
Addition of warm water has no effect on marine ecosystems.

Answers

Answer:

a Burning fossil fuels causes a direct increase in the temperatures of ocean water.

Explanation:

Answer: A

Explanation:

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Which are indicators that economists use to measure how an economy grows? which of the following would have the lowest iodine number? sunflower oil corn oil peanut oil butter Describe the history of professional sports leagues in the United States, and explain how the leagues organized themselves using a system of self-governance rather than a corporate governance model. A taboo against pork is a characteristic of?A) Judaism and Islam.B) Judaism and Buddhism.C) Christianity and Buddhism.D) Christianity and Hinduism. In Indias early history, kingdoms for form on the Indo-Gangetic Plains during____________________.A. The period of regional states, c. 200 BCE-300 CE.B. The early medieval age, after 600 CE.C. The third millennium BCE, when the Harappan Civilization was at its peakD. The later Vedic Age, c. 1000-600 BCE. How many free answers does students get? Consider the following instance variable and incomplete method. The method getBiggies should return a new ArrayListthat contains all values in list that are larger than val.private List list; //assume list contains valuespublic List getBiggies( double val){ArrayList bigs = new ArrayList();/* blank */return bigs;}Which of the following code segments shown below could be used to replace/* blank */ so that getBiggies will work as intended?I. for ( int i = 0; i < list.size(); i++)if( list.get(i) > val )bigs.add(i);II. for ( int i = 0; i < list.size(); i++)if( list.get(i) > val )bigs.add(val);III. for ( int i = 0; i < list.size(); i++)if( list.get(i) > val )bigs.add(list.get(i));IV. for ( double item : list )if( item > val )bigs.add(item); The conjugate acid of CH3COO- is _____________. The conjugate acid of F- is _______________. The conjugate acid of CN- is ______________. The conjugate acid of PO43- is _____________.The conjugate base of CH3COOH is _________________. The conjugate base of HCl is ______________. The conjugate base of H2SO4 is _________________. The conjugate base of H2S is _______________. The conjugate base of H3PO4 is _________________. The conjugate base of NH4+ is ___________________.Na2HPO4 is soluble and exists in two units of the cation Na+ and one unit of the anion __________________. The conjugate base of this anion is _____________________. Na3PO4 is soluble and exists in three units of the cation Na+ and one unit of the anion ___________________. The conjugate acid of this anion is __________________. How do drugs increase dopamine? urgent.................. although firms earn zero profits in the long run, why is the outcome from monopolistic competition considered to be inefficient? i. price exceeds marginal cost. ii. quantity is lower than the perfectly competitive outcome. What are the 2 rules for libero? Determine the largest integer value of x in the solution of the following inequality.2x+6 what are some experiments for which you might want a lower alpha level (e.g., 0.01)? help me please asaaaaaapppp A recent study posed the question about whether Japanese managers are more motivated than American managers. A randomly selected sample of each was administered the Sarnoff Survey of Attitudes Toward Life (SSATL), which measures motivation for upward mobility. The SSATL scores are summarized below.American JapaneseSample size 211 100Mean SSATL Score 65.75 79.83Population Std Dev 11.07 6.41Judging from the way the data were collected, which test would likely be most appropriate?A. Related samples t-test for mean differenceB. Pooled-variance t-test for the difference in meansC. Independent samples Z-test for the difference in meansD. Related samples Z-test for mean difference Jordan likes working in as an insurance underwriter because it has structure and certainty, and the daily work is routine. Jordan probably Multiple Choice O has a large need for ambiguity O has a low tolerance for ambiguity. O has a high tolerance for ambiguity O is in the middle ambiguity range. What is Cugoano's approach to the topic of slavery in this passage he lists? What is the area of 4 in a circle? what is the slope between (-9,3) and (-1,1)