Unit 2: Earth's Spheres, Food Webs & Organism Relationships

Multiple Choice

Which of the following is NOT one of the four main spheres of the Earth?

• Lithosphere

• Hydrosphere

• Stratosphere

• Biosphere

Multiple Choice

Which of the following is NOT a part of the geosphere?

• Rocks

• Minerals

• Soil

• Clouds

Multiple Select

Which of the following are layers of the Earth's interior?

• Crust

• Mantle

• Hydrosphere

• Inner core

Fill in the Blanks

The hydrosphere is made of all the

on Earth's surface, underground, and in the air.

Multiple Choice

What are the two main gases that make up the atmosphere?

• Oxygen and Carbon Dioxide

• Nitrogen and Oxygen

• Hydrogen and Helium

• Nitrogen and Carbon Dioxide

Multiple Choice

Where can the biosphere be found on Earth?

• Only on land

• Only in the oceans

• High into the air and below the surface into the oceans

• Only underground

Multiple Choice

Which of the following best describes how Earth's spheres interact with each other?

• They remain separate and do not affect each other.

• They interact only when there is a natural disaster.

• They are constantly interacting as conditions change.

• They interact only through human activities.

Multiple Choice

Which of the following are examples of abiotic factors?

• Frog, fungi, bacteria, soil

• Air, water, temperature, soil

• Frog, air, bacteria, water

• Bacteria, fungi, temperature, water

Reorder

How are living things organized from the simplest to the most complex level?

• individual

• population

• community

• ecosystem

• biome

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

Multiple Choice

A habitat is a ________ and a niche is a __________

• place, role

• role, place

• place, place

• role, role

Word Cloud

Organisms that can only withstand small changes to their environments are called ______?

Fill in the Blanks

Fill in the blank: Decomposers break down dead and decaying matter into simpler

that can be absorbed.

Multiple Select

Which of the following are types of heterotrophs?

• Herbivores

• Carnivores

• Omnivores

• Autotrophs

Open Ended

Compare and contrast food chains and food webs in illustrating feeding relationships among organisms.

Multiple Choice

Which trophic level in the energy pyramid contains the greatest number of organisms?

• Primary Producers

• Primary Consumers

• Secondary Consumers

• Tertiary Consumers

Open Ended

Explain how energy is transferred between trophic levels in an energy pyramid and what happens to the rest of the energy.

Multiple Choice

Which of the following is an example of mutualism?

• Anemone and clownfish

• Owl hunting mice

• Fleas living off a dog

• Tree frog using a plant

Fill in the Blanks

Fill in the blank: In commensalism, one organism benefits and the other is

Open Ended

Describe the difference between amensalism and competition as types of symbiotic relationships.

Multiple Select

Select all the types of symbiotic relationships where at least one organism is harmed.

• Mutualism

• Commensalism

• Parasitism/Predation

• Amensalism

Multiple Choice

What are the 4 spheres of the earth?

• Lithosphere, Hydrosphere, Atmosphere, Biosphere

• Lithosphere, Hydrosphere, Cryosphere, Atmosphere

• Geosphere, Hydrosphere, Stratosphere, Biosphere

• Lithosphere, Cryosphere, Atmosphere, Biosphere

Multiple Choice

What are the possible effects of symbiotic relationships between two species?

• Beneficial, harmful, or neutral

• Only beneficial

• Only harmful

• Neither beneficial nor harmful