Question 1

Which of the following is NOT a freshwater biome?

Accepted Answer

Coral reefs

Answer

Lake

Answer

River

Answer

Wetland

Question 2

Which of the following is a characteristic of a marine biome?

Accepted Answer

Salinity

Answer

High altitude

Answer

Extreme cold temperatures

Answer

Freshwater

Question 3

Which of the following is a major element involved in the carbon cycle?

Accepted Answer

Carbon dioxide

Answer

Methane

Answer

Oxygen

Answer

Nitrogen gas

Question 4

Which of the following is an example of a decomposer in an ecosystem?

Accepted Answer

Fungi

Answer

Sunflower

Answer

Dolphin

Answer

Hawk

Question 5

Which of the following is a major nutrient involved in the nitrogen cycle?

Accepted Answer

Nitrate

Answer

Oxygen

Answer

Carbon dioxide

Answer

Phosphorus

Question 6

Which of the following is a characteristic of a desert biome?

Accepted Answer

Low precipitation

Answer

Dense vegetation

Answer

Abundant rainfall

Question 7

What defines a biome?

Accepted Answer

Climate, abiotic factors, and communities

Answer

Communities

Answer

Climate

Answer

Abiotic factors

Question 8

Which of the following is NOT an abiotic factor that can influence a biome?

Accepted Answer

Types of plants and animals

Answer

Soil type

Answer

Amount of sunlight

Answer

Water available

Question 9

What are coniferous trees known for?

Accepted Answer

Having cones, needle leaves, and staying green all year

Answer

Losing their leaves in fall and regrowing in spring

Answer

Having flowers and broad leaves

Answer

Growing in wet and swampy areas

Question 10

Which of the following best defines a deciduous tree?

Accepted Answer

A tree that loses its leaves in fall and regrows them in spring

Answer

A tree that grows in deserts

Answer

A tree with cones and needle leaves

Answer

A tree that stays green all year

Question 11

What is the difference between climate and weather?

Accepted Answer

Climate refers to long-term patterns, while weather refers to day-to-day conditions

Answer

Climate refers to day-to-day conditions, while weather refers to long-term patterns

Answer

Climate and weather are unrelated

Answer

Climate and weather are the same thing

Question 12

Which of the following is an example of an abiotic factor?

Accepted Answer

Soil type

Answer

Predator-prey relationships

Answer

Types of plants

Answer

Types of animals

Question 13

Which of the following is a fresh water ecosystem?

Accepted Answer

Lakes and ponds

Answer

Coastal ocean

Answer

Estuary

Answer

Deep ocean

Question 14

What is an estuary?

Accepted Answer

An area where a river flows into an ocean

Answer

A floating island

Answer

An underwater mountain

Answer

A deep underwater cave

Question 15

Which of the following is NOT a major abiotic factor of an aquatic ecosystem?

Accepted Answer

Amount of land

Answer

Water temperature

Answer

Amount of oxygen

Answer

Amount of sunlight

Question 16

Which of the following is an example of a marine ecosystem?

Accepted Answer

Coral reefs

Answer

Rivers and streams

Answer

Lakes and ponds

Answer

Wetlands

Question 17

What does water pH measure in an aquatic ecosystem?

Accepted Answer

How acid or basic it is

Answer

How cold it is

Answer

How clear it is

Answer

How salty it is

Question 18

What percentage of the atmosphere is made up of nitrogen?

Accepted Answer

78%

Answer

42%

Answer

95%

Answer

64%

Question 19

How do MOST organisms obtain nitrogen?

Accepted Answer

From bacteria or certain plants

Answer

From water sources

Answer

From the atmosphere

Answer

From sunlight

Question 20

What is the main component of ALL known life?

Accepted Answer

Carbon

Answer

Oxygen

Answer

Nitrogen

Answer

Hydrogen

Question 21

Which gas do plants use in photosynthesis?

Accepted Answer

Carbon dioxide

Answer

Nitrogen

Answer

Water vapor

Answer

Oxygen

Question 22

What is the process by which water vapor turns into liquid water?

Accepted Answer

Condensation

Answer

Precipitation

Answer

Transpiration

Answer

Evaporation

Question 23

What is the term for the loss of water from plant leaves?

Accepted Answer

Transpiration

Answer

Evaporation

Answer

Condensation

Answer

Precipitation

Question 24

True or False: All organisms release carbon from their bodies.

Accepted Answer

True

Answer

False

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