Ecology

A group of the same species living in the same area is known as..

• community

• biome

• population

• ecosystem

Similar ecosystems that are found around the world, such as deserts and tropical rain forests

• biosphere

• habitats

• environments

• biomes

A density independent factor that limits the population growth of a species

• Competition

• Predation

• Natural disasters

• Disease

Which of the following is an abiotic factor?

• grass

• trees

• water

• bacteria

Tags

NGSS.MS-LS2-3

If polar bears prey on seals for food, what will most likely happen to the seal population if polar bears are removed from an area?

• increase

• decrease

• stay the same

• no change

Tags

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"Lions are predators to antelopes in many African ecosystems." Which is best being described?

• habitat

• population

• niche

• space

Tags

NGSS.MS-LS2-2

A decomposer?

• Eats dead plants or animals and breaks down to put nutrients in the soil

• Eats plants or other animals for food

• Makes its own food

• Machine that gathers trash

Tags

NGSS.MS-LS2-2

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Elephants eat leaves, fruit, nuts and grass. Elephants only eat producers. Elephants do not eat consumers. What type of consumer is an elephant?

• An elephant is an herbivore.

• An elephant is a carnivore.

• An elephant is an omnivore.

Lions eat buffalo, antelopes, zebras and crocodiles. Lions do not eat producers. Lions only eat consumers. What type of consumer is a lion?

• A lion is an herbivore.

• A lion is a carnivore.

• A lion is an omnivore.

Tags

NGSS.MS-LS2-3

Grasshoppers eat plants, even flowers! Grasshoppers only eat producers. Grasshoppers do not eat consumers. What type of consumer is a grasshopper?

• A grasshopper is an omnivore.

• A grasshopper is a carnivore.

• A grasshopper is an herbivore.