What is speciation? A.the process by which new species are formed

B.the mutations that take place in an organism’s DNA

C.the way that most species become extinct

D.the adaptations that help an organism fit into its environment

Answers

Answer 1

Answer: The answer is A. Speciation is the process by which new species are formed. It is an evolutionary process where certain biological populations evolve to new distinct species. It was the biologist Orator F. Cook who first coined this term. There are types of speciation namely sympatric, parapatric, peripatric and allopatric.

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Mary's doctor says that her inactive lifestyle has put her at risk of becoming obese. What else might Mary be facing if she continues to be inactive?A shortened life expectancy and higher medical bills A longer life expectancy with lower medical expenses A life expectancy consistent with her peers but higher medical bills A typical life expectancy for her age group with average medical expenses

50 POINTS!! How do the principles of convection, conduction, and radiation explain how the water in the saucepan gets hot?

Answers

the radiation of the fire causes the saucepan to heat up. the conduction of the saucepan then helps to distribute the heat over the saucepan and to give heat to the water. the convection of the water helps distributing the heat within the water, till all the water is boiling

The stove gets hot and through conduction, the surface of the saucepan also becomes hot, because it is in direct contact with the stove surface.
The water in the saucepan then becomes hot through convection because the hotter fluid rises and the colder, denser water sinks and becomes hot as well.

Why did Mendel study pea plants? A.They reproduce asexually and have one trait that is easy to observe. B.They reproduce asexually and have many traits that are easy to observe. C.They reproduce sexually and have one trait that is easy to observe. D.They reproduce sexually and have many traits that are easy to observe.

Answers

Answer;

D.They reproduce sexually and have many traits that are easy to observe.

Explanation;

Gregor Mendel, who is considered to be the father of genetics, chose the pea plants for his experiments because the garden pea is an ideal subject in the study of genetics. The garden pea had the following characteristics which made it ideal for the experiments;

Pea plants were sexually reproducing with bisexual flowers
self pollination and self fertilization was possible
the life cycle was completed in one season
hybrids were perfectly fertile
many varieties with well-defined characters were available i.e. presence of seven pairs of contrasting or allelomorphic characters

Answer: D. They reproduce sexually and have many traits that are easy to observe.

Explanation:

Bears and coyotes both consume large plant-eating mammals such as deer. When the deer are in short supply, bears and coyotes may fight over the prey. This type of biological interaction is called

Answers

This is competition among predators.

Answer:

Comptition.

Explanation:

Hope it helps.

Describe how and why organisms are hierarchically classified and based on evolutionary relationships

Answers

A. The scientific theory of evolution is the fundamental concept underlying all of biology.
B. The scientific theory revolution is supported by multiple forms of scientific evidence.
C. Organisms are classified based on their evolutionary history.
D. Natural selection is a primary mechanism leading to evolutionary change.

Animals get their energy______ from the sun.

directly
indirectly
Not at all

Answers

Answer:

Indirectly.

Explanation:

Animals get energy from food. Plant related food takes the sun to grow, and other prey may get energy from plants which uses the sun to grow. If you have any questions, don't hesitate to ask!

Which cell feature is responsible for making proteins?A. Lysosomes
B. Ribosomes
C. Mitochondria