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Ecology Protists Fungi Origin of Life Grab Bag

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All of the living and nonliving components of the environment make

up this.

What is an ecosystem? 5

The physical location in which an organism lives is

known as this.

What is its habitat?

10

This is the name given to a species with a narrow niche.

15What is a specialist?

These are the nonliving components of an ecosystem.

What are abiotic factors?

20

This is what happens the amount of usable energy in an ecosystem as you move up through the various

trophic levels.

25What is it

decreases?

Autotrophic protists are known by this common name.

5What are algae?

Some protists use these “false feet” for movement.

What are pseudopods?

10

Photosynthetic protists are largely responsible for releasing this into

the atmosphere.

What is oxygen?

15

A paramecium uses these tiny structures for movement.

What are cilia?

20

All protists are made of these types of cells.

What are eukaryotic?

25

Fungi are classified as this because they return nutrients

to the soil.

5What are

decomposers?

Fungi lack these structures which are necessary for photosynthesis.

What are chloroplasts?

10

This substance makes up the cell walls of fungi.

What is chitin?

15

This is a common example of a club fungus.

What is a mushroom?

20

Fungi feed through these long, tube-like cells.

What are hyphae?

25

What are archaebacteria?

5

The first living cells probably resembled these modern cells.

What is Spontaneous generation?

10

This theory was once used to explain the

appearance of maggots on meat.

What is RNA?

15

This molecule was most likely the first genetic

molecule.

Using chemicals instead of light as an energy source for producing organic molecules

is known as this .

What is chemosynthesis?

20

The theory of endosymbiosis states that early aerobic prokaryotes invaded

larger cells and gave rise to these cell structures.

What are mitochondria?

25

What are enzymes?

5

These are biological catalysts.

Proteins are made up of monomers of these smaller molecules.

What are amino acids?

10

ATP is produced in these cell structures.

What are mitochondria?

15

These are the two stages of cellular respiration.

What is glycolysis and aerobic respiration?

20

The nucleus divides by this process.

What is mitosis?

25