Ecology Review

What is a population?

• One individual member of a species

• a group of individuals of the same species that live in the same area

• a community of different species and their environment

Which is an example of an ecosystem?

• An area of cold climate and communities of different species

• one elk

• a group of elks living together in the same area

• elks, snow rabbits, and owls living in the same area

Which definition best fits the term BIOTIC?

• The study of the interactions between animals and their environment

• Factors in the environment that are considered not alive

• Factors in the environment that are considered living or the remains of living things

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

One species benefits, the other is unaffected

• symbiosis

• parasitism

• mutualism

• commensalism

Tags

NGSS.MS-LS2-2

Honey guide birds alert and direct badgers to bee hives. The badgers then expose the hives and feed on the honey first. Then, the honey guide birds eat as well.

• symbiosis

• parasitism

• mutualism

• commensalism

Tags

NGSS.MS-LS2-2

Tapeworms reside in human intestine and take nutrients from the human

• symbiosis

• parasitism

• mutualism

• commensalism

Vines grow on a tree. The vines get light but the tree is not affected. What kind of relationship is this?

• Competition

• Mutualism

• Commensalism

• Parasitism

Tags

NGSS.MS-LS2-2

An organism that helps to recycle nutrients within an ecosystem by eating dead or decaying organisms is a:

• Predator

• Autotroph

• Producer

• Decomposer

Tags

NGSS.MS-LS2-3

The ecological role an organism performs in their specific environment is considered the organism's...

• Habitat

• Population

• Biome

• Niche

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

The arrows in a food chain or web represents what?

• They point to the organism that is being eaten.

• It shows how sunlight flows within an ecosystem.

• They show what direction the energy is flowing between organisms. 

• They represent how water is transferred within a habitat.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3