Ecology

Which is a BIOTIC factor in an ecosystem?

• Soil

• Water

• Sunlight

• Grass

Which of the following describes an interaction in which one organism kills and eats another?

• Mutualism

• Commensalism

• Predation

• Competition

The nonliving parts of an ecosystem are called

• Organisms

• Populations

• Biotic Factors

• Abiotic Factors

Tags

NGSS.MS-LS2-3

All the different POPULATIONS that live together in an area make up a(n)

• Species

• Organisms

• Ecosystem

• Community

Which of the following would be included in a drawing that BEST describes an ecosystem?

• All the plants, animals, and water in park

• All the plants and animals in a park

• All the animals in a park

• All the squirrels in a park

Tags

NGSS.MS-LS2-3

The study of how things interact with each other and with their environment is called

• Photosynthesis

• Biotic Studies

• Ecology

• Community

Tags

NGSS.MS-LS2-2

Which of the following is an example of a population?

• The rocks in a rock collection

• The cats and dogs in your neighborhood

• The bushes and grass in a park

• The gray wolves in a forest

What type of organisms must be most plentiful (available) in an ecosystem?

• Tertiary Consumers

• Producers

• Primary Consumers

• Secondary Consumers

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

If one species is helped, and one is NOT affected, what is the relationship?

• Mutualism

• Predation

• Commensalism

• Parasitism

When a jellyfish paralyzes a tiny fish with its poisonous tentacles, the fish is the:

• Predator

• Prey

• Best Friend

• Parasite