2021 (v202) Grade 8 Intermediate-Level Science Test Questions 11-20 Question Preview (ID: 59889)

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The energy required for organisms to respond to the environment comes from

a) vitamins

b) minerals

c) water

d) food

A most likely cause for a person’s loss of body weight might be taking in

a) fewer Calories per day than required

b) more Calories per day than required

c) the same number of Calories per day as required

d)

Organisms are classified as producers if they are able to

a) remove oxygen from the air

b) remove microbes from the soil

c) make their own food

d) make carbon dioxide

According to this food web, which organism is an omnivore?

a) deer

b) bird

c) coyote

d) raccoon

Which food chain best represents the transfer of energy from plants to mountain lions in this food web?

a) plants → deer → birds → mountain lions

b) plants → deer → coyotes → mountain lions

c) plants → grasshoppers → frogs → mountain lions

d) plants → grasshoppers → birds → mountain lions

The deer, snakes, and frogs represented in the food web are all types of

a) consumers

b) prey

c) herbivores

d) predators

Based on the diagram, which interaction demonstrates competition between organisms?

a) plants and birds compete for the grasshoppers

b) coyotes and mountain lions compete for the deer

c) snakes and frogs compete for the raccoons

d) frogs and grasshoppers compete for the plants

What is the primary structure in the potato plant that converts light energy into chemical energy?

a) leaves

b) flower

c) roots

d) tuber

The main function of the potato plant’s stem is to

a) absorb water

b) produce potatoes

c) produce seeds

d) transport nutrients

The original source of energy for this pond area is the

a) fish

b) fish

c) water

d) duck

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