Biology Unit

A tapeworm lives in the intestines of a dog. It absorbs food the dog has eaten and grows larger in the process. The dog becomes weaker from malnutrition. What type of symbiotic relationship is this?

• mutualism

• commensalism

• parasitism

• predation

Largest number of individuals of a population that the environment can support...  

• carrying capacity

• population crash

• lag phase

• mutualism

Which of the following are density dependent factors?

• competition for resources

• predation

• disease

• natural disasters

Tags

NGSS.MS-LS2-4

What do the arrows represent in this food chain?

• What plants eat

• What animals are bigger

• How energy flows

Tags

NGSS.MS-LS2-3

What is ecology?

• the study of rocks

• the study of relationships between organisms and their environments

• the study of the ocean

• the study of animals and plants

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What is the definition of a population?

• all individuals of one kind living in one area

• one single organism

• any living thing

• many different organisms living in one area

Tags

NGSS.MS-LS4-4

Abiotic means:

• living organisms and the remains of living organisms

• non-living

Spiders eat flies. When drawing the food web for this relationship, you should draw the arrow:

• FROM the spider, TO the fly

• FROM the fly, TO the spider

Tags

NGSS.MS-LS2-3

Where an organism lives

• habitat

• niche 

• heterotrogh

• biosphere

Which of the following are examples of a density independent factors?

• forest fire

• seasonal cycles

• storms

• disease

Tags

NGSS.MS-ESS3-2