7th Grade Unit 1

Which of the following is an example of a resource that organisms in an ecosystem compete for?

• Sunlight

• Plastic

• Glass

• Metal

Tags

NGSS.MS-LS2-1

What term describes the relationship where one organism eats another for food?

• Mutualism

• Predation

• Parasitism

• Competition

Which process describes how plants use sunlight to make their own food?

• Respiration

• Photosynthesis

• Decomposition

• Fermentation

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the term for all the living and nonliving things in a particular area?

• Population

• Community

• Ecosystem

• Habitat

Tags

NGSS.MS-LS2-3

Which of the following is a method used to help maintain biodiversity in an ecosystem?

• Deforestation

• Habitat restoration

• Overfishing

• Pollution

Tags

NGSS.MS-LS2-5

If the amount of water in a pond decreases, what is a likely effect on the fish population?

• The fish population will increase.

• The fish population will decrease.

• The fish population will stay the same.

• The fish will become plants.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Given a food web, identify which organism is a primary consumer.

• Grass

• Rabbit

• Hawk

• Mushroom

Which of the following best describes the flow of energy in an ecosystem?

• Energy cycles between plants and animals only.

• Energy flows from the sun to producers to consumers.

• Energy is created by consumers.

• Energy flows from animals to the sun.

Tags

NGSS.MS-LS2-3

If a disease kills many plants in a forest, what is a likely effect on the herbivore population?

• Herbivore population will increase.

• Herbivore population will decrease.

• Herbivore population will stay the same.

• Herbivores will become carnivores.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of the following is an example of a design solution to maintain ecosystem services?

• Building dams without fish ladders

• Planting native trees along riverbanks

• Removing all vegetation from an area

• Introducing invasive species

Tags

NGSS.MS-ETS1-2

NGSS.MS-LS2-5