7th Grade Semester Review

Question 1

What internal stimulus would cause the plant to respond as depicted below?

Accepted Answer

a lack of water in the stem

Question 2

Composting is important because...

Accepted Answer

it breaks down organic matter to give nutrients to the soil

Question 3

Liver is placed in a beaker and the temperature increases. What energy transformation occurred?

Accepted Answer

chemical changed to thermal

Question 4

Which step in the digestive process represents a chemical change in food?

Accepted Answer

In your mouth or stomach breaking down fats and proteins

Question 5

Which description most closely explains why mushrooms are so important?

Accepted Answer

Without them, organic matter could not be recycled

Question 6

Four students were given a list of compounds and asked to identify which ones are organic.

Accepted Answer

Student L

Question 7

During photosynthesis, energy is stored in the form of-

Accepted Answer

glucose

Question 8

The vine plants have tendrils-modified stem structure- that serve the plant by-

Accepted Answer

wrapping around a nearby object for support

Question 9

Which table correctly describes the functions of the cell structures listed?

Accepted Answer

H

Question 10

Where is light energy converted to chemical energy?

Accepted Answer

Grass

Question 11

Snow fell on the compost and melted quickly. Which statement explains why the snow melted?

Accepted Answer

Chemical energy is being converted to heat microorganisms

Question 12

Which of the following represent the order for the level of organization of plants and animals?

Accepted Answer

D

Question 13

A student drew the picture below. The main function of this human body system is to-

Accepted Answer

exchange gases with the environment

Question 14

What happens to the light energy that is shown in the reaction?

Accepted Answer

It is converted into chemical energy during the reaction

Question 15

Fish spend their life in water and developed gills. What is the functions of gills? Gills-

Accepted Answer

break down water into H and O so the fish can use the oxygen

Question 16

Read the caption below.

Accepted Answer

Living things are composed of cells

Question 17

Which of the following compounds would most likely be an organic compound?

Accepted Answer

C6H1206

Question 18

Analyze the position of the eagle and the snake. Which of the following statements are right?

Accepted Answer

The eagle eats more types of organisms than the snake.

Question 19

What have plants developed to move nutrients and water throughout the organism?

Accepted Answer

xylem

Question 20

Which consumers would receive the greatest amount of energy captured by the producers?

Accepted Answer

Ring-tailed opossums

Question 21

Eyes of prey animals are further apart on their head. The eyes are adapted to-

Accepted Answer

allow them to see over a wider area to detect predators

Question 22

Identify the organelle responsible for the process of photosynthesis.

Accepted Answer

4

Question 23

Energy is used for heat. Which is an energy transfer that occurs inside an animal?

Accepted Answer

chemical energy to mechanical energy

7th Grade Semester Review

Questions 23

7th Grade Semester Review

Questions 23