Study Guide- Unit 2

Question 1

Snakes have a wide range of movement because their backbones are very flexible. Which body subsystem working together result in movement of the snake?
A.) Digestive and Skeletal
B.) Digestive and Muscular
C.) Respiratory and Excretory
D.) Muscular and Skeletal

Answer 1

D.) Muscular and Skeletal

Question 2

The snake's skin performs specialized functions for the body. Including protection from injury and disease. The skin is made up of several tissue types. The snakes skin is an example of a(n):
A.) Organelle
B.) Tissue
C.) Organ
D.) Organ Systam

Answer 2

C.) Organ

Question 3

Which earth subsystem is not represented in the photo above?
A.) Geosphere
B.) Hydrosphere
C.) Cryosphere
D.) Atmosphere

Answer 3

C.) Cryosphere

Question 4

What kind of things can you find in the geosphere?

Answer 4

You can find rocks, mountains, and land forms.

Question 5

What is the difference between the hydrosphere and the cryosphere?

Answer 5

The hydrosphere is all the liquid water on earth and the cryosphere is all the frozen water on earth.

Question 6

What is one organelle that a plant cell has that an animal cell doesn’t?

Answer 6

Chloroplast or call wall

Question 7

What is homeostasis?

Answer 7

The process by which the body maintains stable condition.

Question 8

Identify the environmental stimulus that the frog is perceiving.

Answer 8

The frog is seeing the fly flying over the water.

Question 9

Explain how mechanoreceptors might be involved in sensing this stimulus.

Answer 9

The mechanical receptors in the frogs ears allow him to hear the fly.

Question 10

Describe how sensory receptors transmit information about the stimulus to the frogs brain.

Answer 10

The mechanical receptors in the frogs ears send nerve signals to the brain.

Question 11

Describe how the frogs brain will cause him to respond to the fly.

Answer 11

The brain may send a nerve signal to the frogs tongue to flick it out and catch the fly. The brain my send a signal to the frog legs to jump towards the fly.

Question 12

What is the difference between behavior and memory?

Answer 12

Behavior is the action to a response from an organism. Memory is the information stored by the brain.

Question 13

What is the purpose of roots?

Answer 13

Roots connect to stems, organs that transport nutrients to all parts of the plant body and provide support to the plant.

Question 14

What do plants need in order to survive?

Answer 14

Sunlight, water, carbon dioxide, and oxygen.

Question 15

Name one other body system we talked about in class:

Answer 15

Digestive, respiratory, circulatory, cardiovascular, nervous.