BIOLOGY HIGH SCHOOL

in which of the following are we currently living? Select all that apply. A. Tertiary B. Cenozoic C. Holocene D. Quaternary E. Pleistocene

Answers

Answer 1
Answer: B. Cenozoic, C. Holocene, and D. Quaternary.
Answer 2
Answer: B. Cenozoic, D. Quaternary

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Which of the following BEST describes the theory of natural selection

Answers

What are the following?

To living organisms, the most dangerous debris from tephra is probably _____, because it spreads so widely

Answers

The answer is volcanic ash.

Tephra is fragmented material ejected by an erupting volcano into the air. Volcano ash is a small fragment of tephra, and since it is light it can spread so widely. It is harmful to ecosystems. It may contain some gasses, such as carbon dioxide or fluorine, which are toxic to organisms, and thereby affect on crop failure, organism death, some deformity, and illness.

To living organisms, the most dangerous debris from tephra is probably volcanic ash , because it spreads so widely.

Which of the following statements is true?A) cool air is less dense than warm air.
B) Sound does not require a medium for travel.
C) Magnetism is caused by the spinning motion of electrons.
D) Electricity flows from positive to negative areas.

Answers

The statement that is true is C.

Answer:

Magnetism is caused by the spinning motion of electrons. is true :)

Explanation:

Select all that apply.All cells have similar structures, including _____.

A. a plasma membrane
B. vacuoles
C. cell wall
D. cytoplasm
E. chloroplasts
F. protoplasm

Answers

The question says,'all cells have similar structures including ................. The right options are:plasma membrane and cytoplasm. All cells including prokaryortic and eukaryortic cells have some structures in common, these include:plasma membrane, cytoplasm, DNA and ribosomes. Because of the functions they perform, these organelles are found in all cells.
its plasma membrane and cytoplasm.

If a disease wipes out all of the rabbits how would the loss of the rabbit population affect the population of coyotes ?

Answers

Simple,

you have the predator/prey relationship, simple.

BUT, if rabbits were wiped out, then how would the coyotes survive?

Unless they find another source of food, or go vegetarian, they will most likely die out due to the loss of their food.

But, if some of the rabbits WERE to survive, than it would be survival of the fittest; the biggest and baddest coyotes would be fighting over prey, and only the strongest will survive in these types of conditions.

Table sugar is an example of what kind of carbohydrate?a. monosaccharide
b. disaccharide
c. polysaccharide

Answers

It's a disaccharide! This means it is two molecules.
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