Ecology and Population Dynamics

Which of the following would be an example of a biome?

• A lake

• Earth

• Tropical Rainforest

• A group of zebra

A population is...

• A group of one species in one area
• Multiple species that live in one area
• All of the living and nonliving things in an area
• None of these

Tags

NGSS.HS-LS2-6

There are about _________ people alive right now.

• 2.6 billion

• 7.9 billion

• 10.6 billion

• 79.0 billion

Tags

NGSS.MS-ESS3-4

Which is a biotic factor?

• soil

• air

• bacteria

• water

Tags

NGSS.MS-LS2-4

NGSS.MS-LS1-4

Which of the following is a density independent limiting factor?

• competition for resources

• predation

• disease

• natural disasters

As a population of a species increases within a territory, which of the following most likely also increases?

• Immigration

• Food supply

• Carrying capacity

• Competition

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

Which of the following populations is most likely to go extinct?

• a very small population in an unstable environment

• a moderate-sized population of r strategists

• a large population with lots of genetic variability

• all would be equally likely to go extinct

Tags

NGSS.MS-LS4-4

Which of the following is a density dependent limiting factor?

• pollution

• food

• climate change

• hurricane

Tags

NGSS.MS-LS2-4

What will happen to the population when the death rate is larger than the birth rate?

• grow
• shrink
• stay the same
• None of these

Which of the following represent abiotic factors that affect an environment?

• Fish, trees, and bacteria

• Alligators, ferns, and snakes

• Temperature, wind, and soil type

• Birds, mushrooms, and insects

Tags

NGSS.MS-LS2-3