Science exam

An ecosystem is made up of all the

• Areas in the biosphere with similar climates

• Abiotic and biotic factors that effect each other

• Living organisms in the area

• Non. Living factors in the area

Which of the following is not part of the biotic factors in a lake?

• Aquatic plants

• Fish

• Water

• Mud and bacteria

People are considered what part of the ecosystem?

• An abiotic factor

• A biotic factor

• A niche

• None

Which of the following is not part of the biosphere?

• Mountain peaks

• Yellowstone Hot Springs

• The earths core

• The arctic ocean

The plants of a deciduous forest that grow beneath the tall trees are called the

• Canopy

• Permafrost

• Tree line

• Understory

What biome has the greatest diversity of living things

• Chaparal

• Desert

• Tropical rianforest

• Tundra

Water that is mixed with fresh water and seawater is called

• Brackish

• Intertidal

• Marine

• Transient

Animals that live in or attached to the bottom of lakes or oceans are called

• Benthos

• Nektons

• Plankton

• Transient

Coral reef are found in which biome

• Freshwater

• Marine

• Tropical rainforest

• Tropical geadslands

Hummingbirds build their nest in trees were they are protected from predators this describes hummingbirds

• Biome

• Habitat

• Niche

• Zone