S7L4. B REVIEW

Which of the following is correct about the energy passed between the living things in this pond food chain?

• Some of the energy is lost as heat.

• The snakes give energy to the frogs.

• The frogs get more energy from the grasshoppers than the grasshoppers get from the grass.

• Energy starts with the grass and is passed to all of the other living things in this environment

Tags

NGSS.MS-LS2-3

The sunlight in this environment is

• a living factor that warms the water of the marsh.

• a living factor that increases the growth of algae in the water.

• a living factor that is absorbed by the migratory bird to make food.

• a nonliving factor that gives energy to the trees and low grasses

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Some organisms help break down the organic matter present in dead organisms. This helps to maintain the nutrient levels in an ecosystem. Which best describes the role of these organisms in nature?

• prey consumer

• scavenger

• decomposer

• consumer

Tags

NGSS.MS-LS2-3

What is missing from the following food chain?

Sun → green plants → [?] → carnivore

• DECOMPOSER

• HERBIVORE

• PRODUCER

• PARASITE

Tags

NGSS.MS-LS2-3

What happens when consumers eat producers in the energy pyramid?

• Energy transfers from the producer to the consumer.

• Energy transfers from the consumer to the producer

• Energy transfers from the producer to the predator.

• Energy transfers from the consumer to the predator.

Tags

NGSS.MS-LS2-3

Which best describes a food web?

• a less complex food chain that shows how producers gain their energy from the Sun

• a more complex food chain that shows how organisms are able to digest their nutrients

• a combination of food chains that show how organisms interact to get their required energy and matter

• a single food chain that shows how organisms interact to get their required energy and matter

Tags

NGSS.MS-LS2-3

Which best describes what happens to the matter in an ecosystem?

• The matter is recycled as it moves through the food web

• The matter is created by organisms as it travels up the food web.

• The matter is consumed by organisms as it travels down the food web

• The matter is destroyed after it is eaten by the organisms in the food web.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which best describes the only part of the food web that is not living and provides the main source of energy?

• the Sun

• the mushroom

• the seed

• the grasses

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which best describes what a food chain shows you?

• Energy flow through an ecosystem
• Food flowing through an ecosystem
• Consumers going into other consumers
• Who eats who

Tags

NGSS.MS-LS2-3

What are plants called in a food chain?

• Producers
• Consumers
• Decomposers
• Scavengers

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3