Semester Review 1

Front

What is a producer in an ecosystem?

Back

A producer is an organism that can make its own food, typically through photosynthesis, and serves as a source of energy for other organisms in the ecosystem.

Front

Calculate the speed of an object that travels 60 meters in 4 seconds.

Back

15 m/s

Front

What is velocity?

Back

Velocity is the speed of an object in a specific direction.

Front

Calculate the speed of an object that travels 20 meters in 4 seconds.

Back

5 m/s

Front

How many kingdoms are there in biological classification?

Back

There are 6 kingdoms.

Front

What is a decomposer?

Back

A decomposer is an organism that breaks down dead or decaying organisms, returning nutrients to the ecosystem.

Front

What is the formula for calculating speed?

Back

Speed = Distance / Time.

Front

What is the difference between speed and velocity?

Back

Speed is a scalar quantity that refers to how fast an object is moving, while velocity is a vector quantity that includes both speed and direction.

Front

What are the three main types of rocks?

Back

Igneous, sedimentary, and metamorphic.

Front

What is the role of consumers in an ecosystem?

Back

Consumers are organisms that eat other organisms for energy.