7.14c

one set of instructions for an inherited trait

• heredity

• allele

• trait

• gene

Which cell organelle stores DNA?

• Cell wall

• Cell membrane

• Vacuole

• Nucleus

Tags

NGSS.MS-LS1-2

Which of the following situations contributes to the sustainability of an ecosystem

• Increase in biodiversity

• Decrease in biodiversity

• Extinction of a population from the ecosystem

• Removal of many populations of organisms

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Complete this statement. The more diverse an ecosystem is ----

• A. the more threatened its populations are

• B. the more similar the species will be

• C. the more stable it is

• D. the few varieties of species are present

Tags

NGSS.MS-LS2-5

An ecosystem experiences a ten year drought. As a result of the drought, many plant and animal species are not able to survive. What will be the effect on the biodiversity and sustainability of the ecosystem?

• Increased biodiversity and increased sustainability

• Decreased biodiversity and increased sustainability

• Increased biodiversity and decreased sustainability

• Decreased biodiversity and decreased sustainability

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Why does higher biodiversity cause an ecosystem to be more sustainable?

• There are more types of organisms competing for living space in the ecosystem.

• There are a greater variety of genes and species in the ecosystem.

• There are more animals preying on one another in the ecosystem.

• More organisms decrease the rate of disease in and ecosystem.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Biodiversity refers to

• extinct species

• the variety of species on Earth

• nonrenewable resources

• the rate of species decline

Tags

NGSS.MS-LS2-5

the passing of genetic traits from parent to offspring.

• heredity

• trait

• gene

• allele

Tags

NGSS.MS-LS3-2

Heredity is the passing of traits from _____________________ to _____________________

• predators to prey

• water to rain

• parents to offspring

• fungi to protists

Tags

NGSS.MS-LS3-2

Which of the following is a characteristic of a sustainable ecosystem?

• High biodiversity

• Low biodiversity

• High pollution levels

• Low energy efficiency

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5