What kind of selection occurs in many birds when males that build strong nests and help care for young are chosen by females and mates

Answers

Answer 1
ANSWER: This process is known as sexual selection.

Related Questions

recently, state forests and parks like yellowstone national park which contain varieties of flowering trees and shrubs, have started to erect signs that state, take nothing but pictures, leave nothing but footprints. which argument best supports why these signs are being placed in state forests and parks?

Answers

The argument that best supports why the signs are placed in the parks is that humans have the capacity to cause damages to the stability of ecosystems through their actions.

By removing tissues of plants or even entire plants, the stability of the entire park can be disrupted depending on the role such a plant plays in the ecosystem. Some species of organisms in the ecosystem play key roles and their removal or damages may cause significant disruption to the entire ecosystem.

Also, by leaving things that can be harmful to the plant species in parks, immeasurable damages can be done to the entire ecosystem.

More on biodiversity conservation can be found here:  https://brainly.com/question/19672174

The best argument that supports the signs being placed in state forests and parks is: humans are capable of damaging the stability of the ecosystems by removing trees and shrubs.

Different components in an ecosystem interact with each other to ensure biodiversity is sustained. Some species of an ecosystem play important roles and a disruption or removal of such key species would cause disruption in the ecosystem.

Trees and flowers in this said park play important roles in the ecosystem of the park. If they are damaged or removed from the ecosystem, the biodiversity of the ecosystem will be impacted which will cause instability of the ecosystem.

Therefore, the best argument that supports the signs being placed in state forests and parks is: humans are capable of damaging the stability of the ecosystems by removing trees and shrubs.

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How does the sexual life cycle of the human species introduce genetic
variations? *
2 points
1. Random fertilization
II. Crossing over of alleles
III. Independent assortment of chromosomes
O I, II, and III
O I and II only
O I only
O I and III only

Answers

All of the above- 1, 2, and 3 These introduce variation into the chromosome or into the zygote and create cells and offspring unique from the parents.

Which of the following best describes a vein

Answers

Answer:

Which of the following best describes veins? a. thick walled, small lumens, low pressure, lack valves b. thin walled, large lumens, low pressure, have valves c. thin walled, small lumens, high pressure, have valves d. thick walled, large lumens, high pressure, lack valves

Explanation: yw have a good day

The diagram shows structures that form the surface of the trachea.
Which level of organisation is the structure labelled S?
A. Cell
B. Organ C. Organ system
D. Tissue

Answers

A

Cell which is the structure that form surface of trachea

Answer:

which diagram

Explanation:

what happens when 2 sunspots connect

Answers

Answer:

they can get more stringy and spread out

What is the genetic information that must be copied for the next generation of cells called?

A. Gametes
B. DNA
C. Meiosis
D. Mitosis

Answers

Answer:

B. DNA

Explanation:

DNA, or deoxyribonucleic acid, is the hereditary material in humans and almost all other organisms. Nearly every cell in a person's body has the same DNA. The information in DNA is stored as a code made up of four chemical bases: adenine, guanine, cytosine, and thymine.

briefly describe how you can tell when you are repaying the oxygen deficit

Answers

You are repaying the oxygen deficit when you have elaborated breath after a long workout.

We can define oxygen deficit as the difference between the oxygen that our body needs during a workout and the one that it gets, which is not enough.

We can tell when our body is repaying the oxygen deficit when our breath is elaborated. What our body is trying to do is to expel carbon dioxide and take as much oxygen as it needs with quick and short breaths.

In conclusion, elaborated breath is a sign that we are repaying the oxygen deficit.

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According to the information on the periodic table, which of the following could represent element X?
A. Aluminum (Al)
B. Sodium (Na)
C. Chlorine (Cl)
D. Nitrogen (N)

Answers

chlorine because it has 7 electrons on the outer shell

Can someone plz help me? :(

Answers

Answer:

Probably  A or B

Explanation:

A because it lets in and out things

what substances are the reactants in photosynthesis

Answers

Answer:

The reactants of photosynthesis are everything to the left of the "———>" arrow, thus the reactants of photosynthesis are carbon dioxide, water, and sunlight energy.

The products of photosynthesis are everything to the right of the "———>" arrow, thus the products of photosynthesis are glucose and oxygen.

(please help ASAP!) Which statement about evolution is accurate?(1 point)
a. DNA is the only extant evidence supporting the theory of evolution.
b. Animals, plants, and microbes have their own separate, unrelated ancestries.
c. Living things have adapted and changed over time for specific, discoverable reasons.
d. Scientists no longer study evolution because it has been proven.

Answers

Answer:

C: Living things have adapted and changed over time for specific discoverable reasons.

Explanation:

Answer:

C. Living things have adapted and changed over time for specific, discoverable reasons.

Explanation:

Survival of the fittest

It is undefined law of the nature that one has to change and adapt to its environment in order to survive. Humans are the prime examples of the process as with time we have directed our actions to run parallel with the changing environment and things around us in order to survive.

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what is unique about HIV?

Answers

Answer:

HIV is called a retrovirus because it works in a back-to-front way. Unlike other viruses, retroviruses store their genetic information using RNA instead of DNA, meaning they need to 'make' DNA when they enter a human cell in order to make new copies of themselves.

Explanation:

uh…did i do this right?

Answers

Maybe

[tex] \red{ \rule{500pt}{1000pt}}[/tex]

This is just ruler command 500pt and 1000pt for long rule

Yes I think you did:))

The dark reaction doesn't require sunlight, for energy. Why?

A) It gathers energy from the chlorophyll.
B) It stores energy inside of the chloroplast.
C) It gathers all of its energy and stores it in its Mitochondria
D) It gathers its energy from organic batteries called ATP or NADPH.

Answers

Answer: C it gather energy from the mitochondria

Where do the light-dependent reactions take place?
a. within the thylakoid membranes
b. within the mitochondria membranes
c. in the outer membrane of the chloroplasts
d. in the stroma of the chloroplast

Answers

Within tylakoid membranes

A, the thylakoid membranes

What are some benefits to using " Wood Framing?"

Answers

Answer:

Renewable, Recyclable, Natural. Timber is one of the few natural, renewable building materials. .

Carbon Positive.

Low Energy Production

Health and Wellbeing

Fire Performance

Natural Insulation.

also variety in size and design

chemicals in the body that transmit nerve impulses are:

Answers

they are called neurotransmitters

competition between species can be a limiting factor in an ecosystem
True
False

Answers

Answer:

True

Explanation:

because it can be a limiting factor in an ecosystem

what is the answers Which sampling method is most suitable in calculating the population of mushroom on a field?
Pitfall trap
Pooter
quadrat
net​

Answers

Given what we know, the sampling method most suitable in calculating the population of mushrooms on a field is the quadrat.

What is the quadrat?A quadrat is a method used to directly count the number of an organism in a specific portion of a region. It is often used to get an estimated value as to the population density of the organism in the region.

Therefore, given the task at hand as well as the use of a quadrat, we can confirm that the most suitable method in calculating the population of mushrooms on a field is the quadrat.

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explain how the information in this diagram indicates that an oxygen atom could bond covalently to two hydrogen atoms to form water

Answers

Answer:

because when oxygen atom bonds with two hydrogen atoms they form water

Explanation:

A water molecule is formed by covalent bonds between an oxygen atom and two hydrogen atoms. The bond between hydrogen and oxygen involves unequal sharing of electron – it is a polar covalent bond. This is because the nucleus of the oxygen atom is more attractive to electrons than the nuclei of the hydrogen atom.

cloning an individual usually produces organisms that

Answers

genetically identical

how we can increase the fertile land? ​

Answers

Answer:

Add Compost. Compost is decomposed organic matter, and it is the best thing you use to improve the health of garden soil.

Get a Soil Test.

Mulch the Soil Surface.

Prevent Soil Compaction.

Rotate Crops Each Year.

Grow Cover Crops.

Add Aged Animal Manure.

Explanation: Soil fertility is the ability of soil to sustain plant growth and optimize crop yield. This can be enhanced through organic and inorganic fertilizers to the soil. Nuclear techniques provide data that enhances soil fertility and crop production while minimizing the environmental impact.

the membrane activity most nearly opposite to exocytosis is:

Answers

Answer:

endocytosis

Explanation:

Endocytosis is defined as the process of trapping a particle or even a substance from the external environment by the process of engulfing it. The flexibility of the cell membrane helps the cell to engulf the food and also other materials from the external environment. Such a process is called endocytosis whereas exocytosis is the fusion of secretory vesicles with the plasma membrane and results in the discharge of vesicle content into the extracellular space

What is the function of tRNA?
A.catalyze the assembly of amino acids into a protein
B.carry genetic instructions for building a protein
C.bring an amino acid to the ribosome

Answers

Answer:

decode a messenger RNA (mRNA) sequence into a protein

Explanation:

tRNAs function at specific sites in the ribosome during translation, which is a process that synthesizes a protein from an mRNA molecule.

Changes in water pressure within guard cells cause the cells to open or close the stomata. This response helps the plant maintain homeostasis by

Answers

Answer:

reduced water loss

Explanation:

When the water enters the cells, they swell and become bowed. This causes the guard cells to bend away from each other, thereby opening the stomata. Conversely, when guard cells lose potassium ions, water diffuses out of the cells by osmosis.

The response helps the plant maintain homeostasis by regulating water levels that plants lose during transpiration.

What is cellular homeostasis?

The expression cellular homeostasis makes reference to the processes by which an organism maintains an internal state of equilibrium.

Cellular homeostasis is fundamental for the survival of the cell and the organism.

Cellular homeostasis in this case indicates the mechanism to maintain concentration and gradients used by the plant to carry out metabolic functions.

In conclusion, the response helps the plant maintain homeostasis by regulating water levels that plants lose during transpiration.

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which means of particle transport requires energy from the cell

Answers

Answer:

Active transport requires energy input from the cell.

How has earths atmosphere changed over time

Answers

Answer:

Hey mate....

Explanation:

This is ur answer.....

When earth was first formed, its atmosphere was likely composed of hydrogen, helium, and other gases that contained hydrogen. Over a vast amount of time, millions of years, the earth gradually cooled. When the temperature dropped enough, water vapor condensed and went from a gas to liquid form. This created clouds.

Hope it helps!

Brainliest pls!

Follow me! :)

Answer:

When earth was first formed, its atmosphere was likely composed of hydrogen, helium, and other gases that contained hydrogen. ... Over a vast amount of time, millions of years, the earth gradually cooled. When the temperature dropped enough, water vapor condensed and went from a gas to liquid form. This created clouds.

Before life began on the planet, Earth's atmosphere was largely made up of nitrogen and carbon dioxide gases. After photosynthesizing organisms multiplied on Earth's surface and in the oceans, much of the carbon dioxide was replaced with oxygen.

Hope that helped. x

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Metal Mass (9) Volume (cm) Gold 77.28 4.00 Platinum 64.35 3.00 Tungsten 96.75 5.00 Silver 63.00 6.00 29) A jeweler has selected a metal with a density of 19.35 g/cm' to make a ring. Which of the metals was selected?
A) Gold
B) Plantinum
C) Sliver
D) Tungsten ​

Answers

The answer is A) gold because 19.35 g/cm is the density

Put the following in correct order for endochondral ossification.

a. Mesenchymal cells of the embryo develop into cartilage-producing cells
b. The periosteum (formerly perichondrium) begins to produce a thin layer of compact bone
c. A hyaline cartilage model of the future bone is formed.
d. Cartilage is the midregion of the model becomes calcified.
e. Spongy bone tissue develops at the primary ossification center.
f. Secondary ossification centers produce spongy bone tissue of the epiphyses.
g. Medullary cavity is formed.

Answers

A. This is one of the only ways the bones are actually formed because it’s a feet away and so the cartilage and stuff gets formed first before the actual bone and ossification occurs that’s like last saw and I can explain each one if you’d like I just wanted to put it in correct order for you I hope it helps
G
C
D
E
F
B.


notice or perceive
e. Observe:
f. Infer:
g. Repetition:
h. Replication:
i. Data

Answers

Answer:

Try e. Observe for an answer

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