The green pigment that plants use for photosynthesis is called _________________________.

Plants use chlorophyll, water, sunlight and _____________________ to produce their food.

What gas to plants release during photosynthesis?

Most plants reproduce with __________________.

The process by which pollen is transferred from the stamen to the pistil of a flower is called ________________________.

All the organisms of the same species that live in the same place at the same time are a ______________________.

The populations of species that live in the same place at the same time together make up a ___________________.

An area where living and nonliving things interact is a(n) _________________________.

In an ecosystem, the greatest amount of energy is found in _________________________.

Which of these is the correct order of energy flow in an ecosystem?

In a food chain, the arrow points to ____________________.

An organism’s ______________ provides food, water, shelter, and space.

In this food web , what would happen if all of the frogs died?

The function or role that an organism performs in the food web of its community is called its _________________.

Animals that eat only plants are called ____________________.

Animals that eat only other animals are called ______________________.

_____________ clouds are fluffy and white with flat bottoms. They usually indicate fair weather.

Large, dark clouds that may produce thunderstorms are _____________________ clouds. They are called, "thunderheads."

__________________ clouds are smooth, gray clouds that cover the whole sky (and block out direct sunlight). Light rain and drizzle are usually associated with these clouds.

__________________ clouds are feathery clouds. They are associated with fair weather. These clouds often indicate that rain or snow will fall within several hours.

___________ pressure air masses are associated with clear skies and light winds.

Which of these is NOT an extreme weather event?

___________________ is the weather of a given area averaged over an extended period of time (years).