An introduction on Evolution in animals (fish and rat specially) also including homologous and analogous!

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Answer 1

Answer: This document has some of the terms you needed, we did this topic in Bio last year. There is also lots of good sources online if you need further info! :D

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Answer the following for 20 points ……….

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The grain size for location D (hornfels) is fine.

How does human evolution or natural selection relate to the susceptibility of disease?

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Human evolution known to be a process in which species adapt to certain conditions of life, and in the battle of life and death, they are forced to become stronger in order to survive in this world. Diseases have always been present during the evolution, acting themselves as a natural selectors - the weaker organisms get sick and die. Not just humans, but all species have to establish a great protecting mechanism in order to survive. That is how our bodies are built, to be able to withstand and survive in the conditions we live in, and that is why our immune system has to be taken care of.

Competition, predation, and parasitism are ___ factors influencing population growth

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Density-Dependent Factors. Which is a limiting factor that depends on population size.

The amount of guanine in a organism always equals the amount of

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The amount of guanine in a organism always equals the amount of cytosine.

What is guanine and cytosine in a DNA molecule?

The Deoxyribonucleic acid (DNA) molecule is made up of four building blocks called nucleotides: adenine (A), thymine (T), guanine (G), and cytosine (C).

The guanine, also called guanosine, is defined as one of the nucleobases found in the nucleic acid of DNA and ribonucleic acids (RNA).

Cytosine plays an essential role in forming base pairs by bonding with guanine and forming the genetic code found in both DNA and RNA.

Therefore,the quantity ofguanine bases are the same with cytosine bases on the opposite strand.

Learn more about DNA here:

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Cytosine. This is because Guanine ALWAYS bonds with Cytosine in DNA

Which of the following types of algae shows a distinct alternation of generations?

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There are many types of algae. Some of which are brown algae or the Phaeophyta/Phaeophytes,the green algae which is also known as the Chlorophytes, and the Chrysophytes or the golden algae. Among these algae, only the Chrysophytes shows distinct alternation of generations or metagenesis.

Answer:

Explanation:

a. Chrysophytes

b. Phaeophytes

c. Chlorophytes

Briefly explain how gaseous exchange takes place in terrestrial plants.

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Answer:

Gaseous exchange, or respiration, is the process in which terrestrial plants take in oxygen from the air and release carbon dioxide. It involves a series of biochemical processes that take place within specialized cells embedded within the plant's leaves.

The first step of gaseous exchange in terrestrial plants is diffusion, where molecules move from an area of high concentration to an area of lower concentration. In this case, atmospheric oxygen diffuses into leaf cells through small openings on their surface called stomata. As these molecules enter the leaf cells, they are taken up by specialized photosynthetic organelles known as chloroplasts.

Chloroplasts then absorb energy from sunlight and use it to combine CO2 with water (H2O) to produce sugars and other organic compounds such as amino acids and lipids (photosynthesis). The resulting reaction produces chemical energy stored in the form of ATP (Adenosine Triphosphate). This ATP drives various metabolic pathways that use oxygen as well as glucose for cellular respiration. During this process, some oxygen enters the cell while some carbon dioxide is released back out into the atmosphere through small openings on their surface called stoma – completing the cycle of gas exchange between terrestrial plants and their environment.

Explanation:

Answer:
In terrestrial plants, gaseous exchange takes place through tiny openings called stomata on the surface of leaves. These stomata allow for the exchange of gases such as carbon dioxide and oxygen with the surrounding atmosphere. During photosynthesis, carbon dioxide enters the plant through the stomata, while oxygen produced during photosynthesis exits through the same openings. This process enables plants to obtain the necessary carbon dioxide for photosynthesis and release oxygen as a byproduct.

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Some clients are excessively responsive to either the primary or secondary effects of a drug. This is known as hypersensitivity, and it may result from a pathological or underlying condition. Which is an example of hypersensitivity? (Select all that apply.)

A scientist is trying to determine the relationship between clams, snails, and squid. When she generates a molecular clock, she is surprised to see that clams and squid are more closely related than clams and snails. Which did the molecular clock data show?Clams and squid have been evolving separately for a longer time than clams and snails. Clams and squid have been evolving separately for a shorter time than clams and snails. Clams and snails have more in common genetically than clams and squid. Clams and snails are more similar in related structures than clams and squids.

All of the chemical reactions within an organism is known as_____.

Roundworms are pseudocoelomic. This means that they have A. organs, but no true body cavity. B. a true body cavity, but no organs. C. both organs and a true body cavity. D. neither organs nor a true body cavity.