Biology and Earth Science Concepts

Flashcards covering key biology and earth science concepts for exam preparation.

What are the two types of consumers in an energy pyramid?

Primary consumers and secondary consumers.

What is a characteristic of metals?

Ductile and malleable.

What defines a prokaryotic cell?

It has no nucleus.

What is the role of producers in an ecosystem?

They transform energy.

What type of boundary is associated with the formation of mountains?

Convergent plate boundaries.

What do we call a small rocky body in space?

A comet.

What is the difference between an autotroph and a heterotroph?

Autotrophs make their own food, while heterotrophs hunt for food.

What is a nebula?

The birthplace of stars.

What happens at divergent plate boundaries?

They create rift valleys.

What is the universe?

Everything that exists.

What is a chemical reaction observed in living organisms?

It can result in unexpected color changes or temperature changes.

What is the difference between sexual and asexual reproduction?

Sexual reproduction involves 2 parents, while asexual reproduction involves 1 parent.

What is a major characteristic of nonmetals?

They are typically dull and brittle.

What is a semiconductor?

A material that has conductivity between a conductor and an insulator.

What do we refer to as the levels of organization in biology?

It ranges from the cell to the organism and includes tissues, organs, and organ systems.

What is an asteroid?

A big rock in space.

What occurs during subduction at plate boundaries?

Formation of volcanoes.

What is the definition of the term 'malleable'?

Able to be hammered or pressed into shape without breaking.