Ch.3&4 Review

What term describes a level of organization that contains only type of one species?

• organism

• population

• community

• ecosystem

Which of the following is ordered correctly from largest to smallest?

• bioshpere,biome, ecosystem, population, community, organism (individual)

• Biosphere, biome, ecosystem, community, population, organism(individual)

• Ecosystem, biome, community, population, organism (individual),bioshpere

• Organism(individual) , population, community, ecosystem, bioshpere, biome

Answer explanation

Silly mnemonic device to remember the order:

Small

People

Can

Eat

Big

Burgers

What term describes a consumer?

• photosynthetic

• Producer

• Autotroph

• Heterotroph

What kind of organism provides the energy in a ecosystem?

• Consumer

• Heterotroph

• Scavenger

• Autotroph

grass --> mouse--> snake --> owl

Match each term with what they are in an ecosystem.

• tertiary consumer

• Grass

• Producer

• Owl

• secondary consumer

• Snake

• primary consumer

• Mouse

Categorize each examples as Biotic or Abiotic

Groups:

(a) Biotic

,

(b) Abioitc

• tree

• deer

• water

• sand

• wolf

• clouds

All of the organisms living in the rain forest are called a __________.

• Abiotic

• Habitat

• Population

• Community

All the chipmunks in an area is called a __________.

• Population

• Habitat

• Community

• Abiotic

Which direction do the arrows point in a food chain?

• Arrows point right -->

• Arrows point left <--

• Arrows point down

• Arrows point up

Which of the following is true about secondary consumers in an ecosystem?

• They are fewer in number than are primary consumers.

• They eat only plants.

• They are smaller and weaker than are primary consumers.

• They are eaten by primary consumers.