Answer:
Antony van Leeuwenhoek1 (Fig. 1) found great joy in God’s smallest creatures. He first discovered protozoans in his youth. The Dutch haberdasher retained a child-like joy of discovery from his youth until his death at age 90. He lived to see tiny microbes though his homemade microscopes. He loved to grind and focus a new lens in order to see the unseen world. Leeuwenhoek spent countless hours grinding tiny lenses and looking through them. This Christian lay biologist even used candlelight to see specimens at night. For Leeuwenhoek, the amazing diversity of tiny life forms revealed under his homemade microscopes glorified God as much as looking at stars through a telescope. Leeuwenhoek was born in South Holland in 1632. As a young adult, he became a cloth merchant (also called a draper, or haberdasher). In 1668, he started his biological study as a hobby after seeing beautiful microscopic pictures while making a visit to London. After years of careful study, Leeuwenhoek (Fig. 2) made the microscope famous. In his lifetime, he became the father of microbiology and opened mankind to the world of microorganisms.
Explanation:
List at least two pieces of data supporting the hypothesis that there is a link between the sickle cell allele and malaria.
Answer:
allele AND MALERIA
Explanation:
allele and maelrai
The two pieces of data that supporting the hypothesis that there is a link between the sickle cell allele and malaria is that increasing sickle-cell allele frequency.
What is sickle cell anemia?Sickle cell anemia has been known as the most common inherited blood disorder in the United States. In the United States, generally, approximately 100,000 people have SCD. SCD occurs generally in about 1 of every 16,300 Hispanic-American births. Approximately 1 in 13 black or the African Americans has the sickle cell trait.
Sickle cell disease (SCD) has affects the millions of the people throughout the world and it has particularly the common among those whose ancestors came from sub-Saharan Africa as well as the Spanish-speaking regions in the Western Hemisphere (South America, the Caribbean, and Central America); Saudi Arabia; India; and Mediterranean countries such as Turkey, Greece, and Italy.
Therefore, The two pieces of data that supporting the hypothesis that there is a link between the sickle cell allele and malaria is that increasing sickle-cell allele frequency.
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In pea plants, yellow seed color is dominant and green seed color is recessive. What will the generations look like? Assume that Mendel’s method of crossing two true breeding parents with opposite traits is followed. Check all that apply.
The P generation has all yellow seeds.
The P generation has all green seeds.
The P generation has yellow and green seeds.
The F1 generation has yellow and green seeds.
The F1 generation has all yellow seeds.
The F2 generation has all green seeds.
The F2 generation has yellow and green seeds.
Answer:
the p generation has all yellow seeds
Explanation:
A model of the cell cycle is shown here. A student wants to refine the model to include more details about the M phase. Modify the model by selecting the parts of the cell cycle that would be included in the M space.
A) anaphase
B) apoptosis
C) interphase
D) metaphase
E) prophase
A) anaphase
D) metaphase
E) prophase
Explanation:M phase where nuclear division occurs by mitosis.
The parent cell divides into two daughter cells.
Also telophase and cytokinesis occurs during M phase.
Explain why worms have outer skin as their respiratory surface rather then lungs. NO google answer. ASAP
The simple answer for that will be that they are not complex organisms. Earthworms are simple organism with the small body,
So as there body is not that big thus they don't need any specialized organ system for the process of respiration. Every organism has the complex systems according to fulfill their needs, and most certainly the skin is very convenient medium for the respiration by the diffusion process.
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BLOOD CIRCULATORY SYSTEM:They have a specialized system where it was needed, THE BLOOD CIRCULATION SYSTEM, There body is small but long and need blood to transfer the oxygen to each part of the body. There blood have the haemoglobin(it carries the oxygen), thus it is red just like us.
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SKIN:Skin as a respiratory medium, needs to be thin, wet and cover large surface area than volume. The Skin fulfills all these Prerequisites, thus it is a perfect organ for the respiration. Even our respiratory medium which is alveoli is wet, thin and cover REALLY large surface area more than our body. If the skin dries, there will be no diffusion and worm will die due to dessication.
_____________________________________Best Regards,'Borz'What determines the chemical properties and physical properties of a mineral? A. the specific gravity of the mineral. B. the location where it was found. C. the arrangement of the mineral's atoms. D. the conditions under which the mineral formed. ??????
Answer:
C. The arrangement of the mineral's atoms.
Explanation:
The arrangement of something's atoms both defines its physical properties, as well as how it will chemically react with other substances. Hope this helps!
MARKING BRAINLIEST
Mark me brainliest on one of my answers and i'll do the same!
Answer:
I will <3
Explanation:
Answer:
uh sure 1.80000000
Explanation:........
How would our lives be different if water could not dissolve most substances?
Answer:
If water didn't dissolve most of the substances, humans, as water organisms, with the substances dissolved in the blood and other liquids wouldn't exist.
Explanation:
If water didn't dissolve substances, physical forces, connections between oxygen and hydrogen wouldn't be the same, so it means that the structure of the solid substances in the universe would be completely different. The law of physics would be different, and the whole universal system, as well.
Which of the following is NOT one of the 3 major areas of society affected by
science?
A. Labor
B. Communication
C. Health
D. Justice
Answer: D. Justice
Explanation:
Science is a field that deals with facts and information based on research and predictions. Justice is the area that is not affected by science. Thus, option D is correct.
What is the effect of science?Science is involved in many areas of society and has a big impact and influences many elements and components of society. It plays a major role in communication as many inventions and developments in communicating devices are the result of science.
It is primarily concerned with the health and medical field as many scientific inventions and developments are based on experiments and research. it also affects labor as many new technologies and machines have been developed.
Therefore, science does not affect justice.
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how did Luigi Galvani's accomplishments help benefit our world with discoveries about electricity?
Answer:
During a random experiment on November 6, 1787, Galvani discovered that a frog muscle could be made to contract by placing an iron wire to the muscle and a copper wire to the nerve. ... This discovery played a historical role in bioelectricity as it proved that electricity was not direct in its action.
Which is the best definition of a “species”?
Select one:
a. A group of organisms that can breed together.
b. A group of organisms that can breed and produce fertile offspring together.
c. A group of organisms that look and act similar.
d. A group of organisms that can breed and produce infertile offspring together.
Answer:
B is the correct answer
Explanation:
Group of organism that breed among themselves and produce fertile offsprings make a species.
Answer: Confirmed the answer is B
Explanation:
A group of organisms that can breed and produce fertile offspring together.
Which of the following processes within the rock cycle operates at the Earth's surface?
A.
plate tectonics
B.
weathering
C.
melting
D.
pressure & heat
Answer:
b) weathering
Explanation:
without weathering on the earth's surface, sedimentary rocks would not have been formed
how many monkeys would have to live in a 3/4sq.km. area to have the same population density as the carabao?
Answer: 20 monkeys
Explanation:
Question is lacking a very important detail which is the population density of monkeys in the Carabao.
I found that out to be 26.7 monkeys per sq.km
Population density = Number of monkeys / Area
With the population density known to be 26.7 monkeys per sq.km and the area known to be ³/₄ sq. km, the number of monkeys is;
26.7 = No. of monkeys/ ³/₄
No. of monkeys = 26.7 * ³/₄
No. of monkeys = 20
How do T-cells work to recognize invading cells or molecules?
Answer:
Antigen-presenting cells show digested antigens to T cells through the MHC on their surface, which allows the T cell to “see” the antigen and recognize it as foreign. The connection between the MHC and the receptor on the T cell is the first signal necessary to activate the T cell to respond to a tumor and destroy it.
Explanation:
Would each of these scenarios be addressed through engineering design or scientific inquiry? 4. A commercial strawberry grower is having a problem with her greenhouses overheating in the summer months. 5. A new species of plant is discovered. Botanists want to know why it only grows in certain areas of the rainforest. HighLighter PopupUnderline Selected TextGreen Color HighlightOrange Color HighlightYellow Color HighlightBlue Color HighlightPink Color HighlightRemove Color Highlight
Answer:
See the answer below
Explanation:
A greenhouse overheating in the summer months has everything to do with engineering design and must be addressed as such. Since the commercial strawberry grower has already established the problem of overheating of the greenhouses, the solution to the problem lies with checking the engineering design of the greenhouses and not in making a scientific inquiry. The problem has been detected and a solution has to be provided by checking the fault in the design that could be causing the overheating.
Botanists trying to know why a newly discovered species of plant only grows in certain areas would need to carry out a scientific investigation/inquiry in order to get answers to their enquiry. Several questions might be raised as to why the growth of the plant is limited to those areas and these can only be answered by conducting scientific investigations.
Which type of species has a short life span and
produces a large number of offspring in a short
period of time?
Answer:
Fruit flies lol. They reproduce like crazy. Just bugs in general. OH AND RABBITS/BUNNIES!
Explanation:
Answer:
Fly? or butterfly?
Explanation:
Jellyfish live in salt water. They have organs (and cell organelles) that pump the salt out of their bodies. The jellyfish body is actually filled with fresh water. Animals like sea turtles and whales eat them even though there are few or no calories in a jellyfish. Explain why this happens
Answer:
when whales eat jellyfish they wont really be getting because as it was said in the question the whales are basically eating water and not getting any real food.
Explanation:
Answer:
The jelly fishes even though not high in calories like stated in the question are nutritious and some contain fatty acids that are good for growth.
An example of coevolution would be _____.
Select one:
a. the evolution of wings in bats and birds
b. the toad and the flies they eat
c. the hummingbird and the tubular flower it pollinates
d. all of the above
Answer:
c. the hummingbird and the tubular flower it pollinates
plzzzzz help!!!!! its due today lol but help!!! number 6 btw
Answer:
The picture is very blurry but all I can tell you is that there were 5 major extinctions in Earth's history and here are all five of them
Ordovician-Silurian Extinction: 440 million years ago.
Devonian Extinction: 365 million years ago.
Permian-Triassic Extinction: 250 million years ago.
Triassic-Jurassic Extinction: 210 million years ago.
Cretaceous-tertiary Extinction: 65 Million Years Ago.
Explanation:
See above.
If you liked my answer please make my answer the brainliest because it will be much appreciated. Thanks!
The picture represents a protein in the stomach being broken down into individual amino acids.
A protein being broken down into individual amino acids.
I CANT GET THE PHOTO
Which is mixed with proteins to break them into amino acids?
villi
enzymes
saliva
fat
Answer:
saliva
Explanation:
it is a chemical that's helps in digestion
Answer:
Enzymes
Explanation:
Is it possible for energy to be transferred directly from the first trophic level to the third trophic level? Explain.
During energy transfer, 10% of the energy is transferred to the next trophic level and 90% is lost to the environment. Energy transfers from one trophic level to the next trophic level and not the third trophic level.
What is Energy transfer?Energy transfer is the amount of energy at each trophic level which is transferred to the next trophic level. Energy decreases as it moves through an ecosystem. As little as 10% of the energy at any trophic level is transferred to the next level and the rest is lost largely through metabolic processes as heat energy.
From each trophic level to the next trophic level, about 90% of the starting energy is unavailable to the next trophic level because the energy is used for different processes such as movement, growth, respiration, and reproduction and some energy is lost as heat.
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The cell membrane is essentially...
...plasma
...solid.
...liquid
...gas
The andromeda galaxy is located approximately 2.5 million light- years from earth. Why is the light that reaches earth 2.5 million years old?
what is meiotic metaphase I?
Answer:
Definition. The first metaphase of meisosis I encompasses the alignment of paired chromosomes along the center (metaphase plate) of a cell, ensuring that two complete copies of chromosomes are present in the resulting two daughter cells of meiosis I. Metaphase I follows prophase I and precedes anaphase I.
Explanation:
Please help me. Thank you
Answer:
Explanation:math mmmm
What are the products of photosynthesis
Answer:
Glucose (sugar) and oxygen
What is Lymes Disease scientific name?
4. What will be the phenotype of the fly that grows from the fertilized cell shown
below?
A. Normal wings, black body, antenna, and red eyes.
B. Curly wings, brown body, legs on head, and red eyes.
C. Curly wings, brown body, legs on head, and orange eyes.
D. Normal wings, brown body, legs on head, and red eyes.
Answer:
D
Explanation:
Take a look at the traits.
When there are two recessive alles, the recessive trait is inherited. Like in cc.
But if there is a dominate one, per say in lL, the dominant is always inherited.
what is known as photosynthesis
Photosynthesis is the process used by plants,Algae and certain bacteria to harness energy from sunlight and turn it into chemical energy.
Decomposers build up chemicals in dead plant and animal matter.
Answer:
When plants and animals die, they become food for decomposers like bacteria, fungi and earthworms
Explanation:
Yan lang po ang alam ko
substances produced in a cell and exported outside the cell would pass through the
Answer: cell membrane
Explanation: Substances that were produced inside the cell that have to get out of the cell have to go through the cell membrane, because the cell membrane is the structure of cell.