BIOLOGY HIGH SCHOOL

Which could be in the fourth trophic level of a food chain?a. earthworm
b. grass
c. bluebird
d. rabbit

Answers

Answer 1
Answer: c. bluebird

Food chain refers to a process cycle from producer to consumer to decomposer.
Plants – herbivores – omnivores – carnivores Start -> Plants -> herbivore insect -> spiders -> small bird -> Snake -> hawk -> fox -> lion -> when died the body will be eaten by hyena-> when hyena died -> body get decompose and be eaten  by worms and the rest will be plant’s fertilizer.

The process of the food chain will then again takes place over and over again. 
Answer 2
Answer: A Earthworm 
I toke the test this is the right answer on K12  
I hope this helps

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A specific type of bacteria reproduces through binary fission every two hours. If there are seven bacteria, to begin with, how many bacteria will there be after four hours?

Answers

Answer:

28

Explanation:

Binary Fission basically means each bacteria splits into two. So after the first two hours, the 7 bacteria split into 14. After the next two hours, the 14 bacteria each split and the end result is 28 bacteria.

Answer:

28

Explanation:

What is the source of energy for evaporation in the water cycle?

Answers

The sun provides all the energy for evaporation.

Energy efficiency is based on the laws of thermodynamics; therefore, a loss of energy always occurs when one form is transformed into another. a. True
b. False

Answers

True since some of the input energy is turned into heat energy, which is then lost in the environment. This is why input work is never equal to output work, unless the problem is set in a 'perfect world'.

TRUE, its correct on odyseywarre!

The policy that Kennedy lay the groundwork for at the end of his presidency.A. isolationism

B. détente

C. flexible response

D. brinkmanship

Answers

The policy that Kennedy lay the groundwork for at the end of his presidency was détente. The answer to your question is B. I hope this is the answer that you are looking for and it comes to your help.

Is gases (carbon dioxide from respiration) an input or an output to the human body?

Answers

output since your body is making it from the oxygen breathed in.
Output because your body is making it and then leaves it outside body like breathing oxygen and letting out carbon dioxide I think

Which is an example of a behavioral adaptation for a mouse?A.A mouse has sharp teeth that allow it to gnaw through barriers.

B.A mouse has brown fur that allows it to blend into its surroundings and evade predators.

C.A mouse has a keen sense of smell that allows it to find food.

D.A mouse lies still when it sees a cat, which helps it evade detection by a predator.

Answers

The answer is D.A mouse lies still when it sees a cat, which helps it evade detection by a predator.

Behavioral adaptations are thing organisms do to increase their chance to survive and reproduce. This is, actually, how organisms react in response to a threat. For example, animals could move from place to place, or imitate something they are not (mimicry). The example of mouse's behavioral adaptation is when mouse sees a cat, it lies still in order to evade it. Mouse changes its behavior to survive.
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