Chapters 2, 1, And 4 Part 2 Question Preview (ID: 44358)


Gravity, Chemical And Physical Change, And Ecosystems. TEACHERS: click here for quick copy question ID numbers.

What is the original source of most energy used in a food chain or food web?
a) sun
b) photosynthesis
c) cellular respiration
d) plants

Plants must make their own food. Select all of the items below that are required for photosynthesis to occur.
a) carbon dioxide, water, chlorophyll
b) oxygen, water
c) carbon dioxide
d) sugar

What does a food web look like?
a) It is a diagram showing how organisms are intertwined by sharing foods.
b) It is a line of organisms that eat one thing.
c) Idk
d) who cares

grass---- zebra ----- lion would be an example of a___________.
a) food chain
b) food web
c) photosynthesis
d) cellular respiration

Farmer Bob has a large herd of cattle. He wants to make sure that his herd has plenty of food for the winter. He purchases 700 bales of hay. Why would he only purchase hay for the cattle?
a) Cattle are herbivores which means they only eat plants.
b) Cattle are scavengers which means they only eat plants.
c) Cattle are carnivores which means they only eat plants.
d) Cattle are decomposers which means they only eat plants.

Which of the following processes uses the products of photosynthesis?
a) cellular respiration
b) photosynthesis
c) circulation of sugar
d) storage of chloroplasts

During a lab experiment, you mix together 2 items. When you do, they start to bubble. What kind of change is occuring?
a) chemical change
b) physical change
c) correct
d) friction

During a lab, you mix 2 items together. When you do, one of the items disappears as you stir it into the liquid. Nothing else happens. What kind of change happened?
a) physical change
b) chemical change
c) gravity
d) magnetism

Gravity is a __________________ force.
a) noncontact
b) contact
c) friction
d) gravity

In the absence of air resistance, an apple and a feather will fall at
a) the same rate and hit the ground at the same time.
b) different rates. The apple will hit the ground first.
c) at the same rate. The feather will fall slower though
d) at the same rate. The apple will fall faster though.

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