7th Science 9 weeks test

The arctic fox has a white coat in the winter and a brown coat in the summer. This is an example of...

• The environment's influence on traits.

• The different types of foxes.

• Genetic engineering on foxes.

• The personality of the arctic fox.

What is heredity?

• The passing of money from parents to offspring.

• The passing of genetic material from parents to offspring.

• The passing of opinions from parents to offspring.

• The passing of education from parents to offspring.

What type of organisms are the first step in a food chain?

• Consumers

• Predators

• Producers

A food web is made up of 

• one food chain.

• only producers.

• many different food chains.

What does an energy pyramid represent?

• Food pyramids show the different food chains in a community.

• Energy pyramids show the same total matter at all levels.

• Shows the amount of energy available at each feeding level in an ecosystem.

What is a consumer?

• An organism that makes it's own food
• An organisms that eats other organisms for energy
• An organism that breaks down dead organisms

What is pictured in the diagram?

• A food web
• A food chain
• An energy pyramid

Who is the top predator on this food web?

• Hawk
• Snake
• Frog
• Cattail

What is an example of a decomposer?

• Plum

• Mushroom

• Deer

• Bird

An ecosystem's sustainability is most dependent on?

• warm temperatures.

• the amount of water there.

• having a large number of a single plant species.

• the number and variety of organisms that live there.