The highest level of organization in an animal is

What animal is a medusa shape?

Mollusks with two shells are known as

At what stage of development would an insect be enclosed in a cocoon?

What is a vertebrate?

An animal with many lines of symmetry

A type of symbiosis where both species benefit

A tick on a dog is which type of symbiosis?

The process of reclaiming products such as metal, glass, paper, and plastic and reusing them to create new products is called

The victim or hunted animal is called the

"I see you. I count you," is an example of

A bird's nest in a tree is an example of

What is the source of all energy on Earth?

Which organism feeds on dead organisms?

The nonliving parts of an ecosystem are called

An example of a decomposer

The ozone layer protects us from

One group of gases responsible for the hole in the ozone is

The stage of the water cycle where water becomes a gas is

Most pollution is a result of

How many legs does an insect have?

Which creatures do NOT have antennae?

Day to day atmospheric conditions are known as

Which of the following is a predator?

What do plants get from humans in the carbon/oxygen cycle?

Which device measures air pressure?

A scientist who studies weather and climate

A swirling storm that starts over water

Which is a renewable resource?

Which is not a type of pollution?

The atmosphere is

A severe storm that forms over land is

Earth's atmosphere is important to living things because

Which is not an example of precipitation?