AP Biology Ecology

Frogs lay ~4000 eggs at a time. Based on this frogs would be classified as -

• R-strategists

• K-strategists

Which of the following would be a density independent limiting factor?

• A virus spreading through a population

• A forest fire burning down a forest

• Birds competing for a limited amount of seeds

• A new predator moving to an area

Which of the following would be a density-dependent limiting factor?

• Two wolf packs having overlapping territories

• Pollution

• A flood

• Deforestation

Tags

NGSS.MS-LS2-4

What is a niche?

• A species that outcompetes others in an area

• The level on a food chain an organism occupies

• An organisms role in an ecosystem and the resources they obtain

• A species that disproportionately affects an ecosystem

Where an organism lives is its -

• niche

• ecosystem

• habitat

• home

The two species, Paramecium aurelia and Paramecium caudatum, which do not prey upon each other, fighting to grow in the same test tube is an example of which of the following?

• Competition

• Predation

• Emigration

• Immigration

Tags

NGSS.MS-LS2-2

productivity = the organic materials that remain after photosynthetic organisms in the ecosystem have used some of these compounds for their cellular energy needs (cellular respiration).

• Gross

• Primary

• Net

• Secondary

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

A group of interbreeding individuals occupying the same area is best called

• community

• population

• ecosystem

• symbiotic relationship

Which of the following encompases all the others?

• ecosystem

• community

• population

• individual

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-5

Which of the following affect population growth

• resoureces

• climate/weather

• primary productivity

• predators

• everything listed

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4