Science Unit 3 10

Question 1

What component of air is least necessary for life on Earth?

Answer 1

Argon

Question 2

What group makes up the largest level of an energy pyramid?

Answer 2

producers

Question 3

Earth receives a constant supply of _________

Answer 3

light energy

Question 4

What is an energy source for chemosynthesis?

Answer 4

sulfur molecules

Question 5

What are tundra and desert examples of?

Answer 5

biomes

Question 6

What is a hot dry biome called?

Answer 6

desert

Question 7

Where would organisms that are adapted to live in slightly salty water be found?

Answer 7

estuary

Question 8

What biome contains mostly frozen soil called permafrost?

Answer 8

tundra

Question 9

A new island is formed from a volcanic eruption. Which species probably would be the first to grow and survive?

Answer 9

lichens

Question 10

What would the changes in communities that take place on a recently formed volcanic island best be described as?

Answer 10

primary succession

Question 11

What is the stable end stage of succession?

Answer 11

climax community