Gen.Biology 2 Q3: Sensory and Motor Mechanisms in Plants and Animals

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What term is used to describe animals that spend all or nearly all their entire adult life in one place?

Motile

Sessile (correct)

Active

Passive

Which type of locomotion does not require muscular effort from the animal?

Passive locomotion (correct)

Active locomotion

Nervous system control

Jet propulsion

Which of the following is a disadvantage of passive locomotion?

The animal must have a means of controlling their movement

The animal must have a means of providing propulsion

The animal is at the whim of wind and wave (correct)

The animal must use muscle tissue attached to a structure

What is the primary means by which most animals generate the force required for active locomotion?

Use of muscle tissue attached to a structure Signup and view all the answers

Which of the following is an example of an animal that exhibits passive locomotion?

Jellyfish Signup and view all the answers

What is the primary function of the nervous system in animal locomotion?

To control the amount, type, and location of muscle contractions Signup and view all the answers

What is the main purpose of the body's homeostatic mechanisms?

To maintain optimal levels of substances in the body Signup and view all the answers

How does the nervous system help maintain homeostasis?

It controls the body's breathing patterns Signup and view all the answers

What is the role of the thyroid gland in maintaining homeostasis?

It releases hormones to regulate calcium levels Signup and view all the answers

What is the primary way the body eliminates substances that can be dangerous to homeostasis?

Through the urinary and digestive systems Signup and view all the answers

What is the role of the parathyroid gland in maintaining homeostasis?

It releases hormones to regulate calcium levels Signup and view all the answers

What is the primary function of homeostasis in the body?

To maintain optimal levels of substances Signup and view all the answers

What is the main difference between soaring and true flight?

Soaring involves gaining altitude by using columns of rising air, whereas true flight involves flapping wings to propel forward and upward. Signup and view all the answers

Which group of animals may have been capable of true flight or only soaring and gliding?

Winged reptiles known as pterosaurs Signup and view all the answers

Which type of skeleton is common in aquatic and burrowing animals with no solid 'bone' structure?

Hydrostatic skeleton Signup and view all the answers

Which animals possess true flight according to the text?

Insects, birds, and mammals Signup and view all the answers

What distinguishes an exoskeleton from an endoskeleton?

Exoskeletons provide external protection, while endoskeletons provide internal support. Signup and view all the answers

Why are birds better gliders than gliding animals according to the text?

Because birds can take advantage of columns of rising air to gain altitude. Signup and view all the answers

What is the main difference between movement and locomotion?

All animals move, but not all animals locomote. Signup and view all the answers

How do plants exhibit locomotion according to the text?

By growing towards light and moving materials on the plant body Signup and view all the answers

In terms of locomotion, what is unique about some animals mentioned in the text?

They stay in one place for their entire adult life. Signup and view all the answers

Which statement accurately describes animal locomotion?

Some animals slither, crawl, flap, glide, and swim. Signup and view all the answers

What is one characteristic of animal locomotion mentioned in the text?

Some animals spend almost their entire life in the air. Signup and view all the answers

What sets apart animals that stay in one place for their entire adult life?

They remain stationary throughout their adult life cycle. Signup and view all the answers

What is an example of the body maintaining homeostasis?

Sweating in the summer Signup and view all the answers

How does the body respond to high blood glucose levels?

Releasing insulin from the pancreas Signup and view all the answers

Which system helps to fight infections to maintain homeostasis?

Lymphatic system Signup and view all the answers

What happens if calcium levels in the blood are not maintained?

Excessive bloating of cells Signup and view all the answers

How does the heart respond to low blood pressure as part of homeostasis?

Speeds up Signup and view all the answers

Why does the liver convert glycogen to glucose when blood sugar levels drop?

To raise blood glucose levels Signup and view all the answers