Science TEKS

The breathing rate of a human increases after exercise. The part of the brain that controls this involuntary action is

• cerebrum

• cerebellum

• medulla

• spinal cord

A man suffers a head injury during a basketball game. For several days afterward, he can't remember his social media passwords. This memory loss results from damage to the man's

• cerebrum

• cerebellum

• medulla

• spinal cord

Which part of the human brain is correctly paired with its function?

• spinal cord - coordinates learning activities

• cerebellum - serves as the center for breathing and other actions

• cerebrum - serves as the center for thinking and learning

• medulla - maintains muscle control

When a child runs inside after hearing a car crash outside, the child is using:

• the central nervous system, only

• the peripheral nervous system, only

• both the central and peripheral nervous systems

• neither the central nor the peripheral nervous system

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Mention one difference between plant and animal cells.

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The organelle in charge of transforming the energy of the sunlight into chemical energy (glucose)?

• Mitochondria

• Golgi bodies

• Chloroplast

• Nucleus

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A clownfish and a sea anemone are in a close relationship. The sea anemone provides shelter and protection for the clownfish. However, the sea anemone is not harmed. This is an example of ______________________.

• Commensalism

• Parasitism

• Mutualism

• Predator and prey

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Look at the following picture, identify if it's a balanced or unbalanced force situation, both forces have a magnitude of 25 N but in opposite directions. Explain your answer.

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Red-billed oxpeckers are birds that feed on parasites found on an impala. The impala gets rid of parasites and the red-billed oxpeckers get a yummy dinner. What is the type of symbiosis and why?

A wrasse fish feeds on the parasites found on the black sea bass's body. Both species benefit.

• Mutualism

• Commensalism

• Parasitism