Seven

What does the birth rate indicate in population growth?

• How many individuals die

• How many individuals leave a population

• How many babies are born

• How many individuals move into a population

Which of the following is true about population growth in developing countries?

• It is stable

• It is declining

• It is rapid

• It is non-existent

Tags

NGSS.MS-ESS3-4

A species that is not native to an area and decreases biodiversity is called a(n): SEV2.D

• Native Species

• Natural Species

• Invasive Species

• Symbiotic Species

Which major biome is home to cactus, mesquite trees, jackrabbits, rattlesnakes and camel? SEV1.D

• desert

• taiga

• tundra

• grassland

What is a reason that areas around the equator have HIGH biodiversity? SEV1.D

• Cold temperatures and lots of rain

• Warm temperatures and little rain

• Warm temperatures and lots of rain

• Fewer people, plants and animals

Tags

NGSS.MS-LS1-5

Which biome is the coldest? SEV1.D

• tundra

• desert

• grassland

• savanna

Why do the populations of invasive species grow so quickly? SEV2.D

• invasive species require more energy than other organisms

• invasive species are prey to many animals.

• invasive species have no natural predators.

• invasive species keep the ecosystems in equilibrium.

Tags

NGSS.MS-LS2-4

What is a keystone species? SEV2.D

• A species that helps to hold an ecosystem together

• A species that lives in or around rocks

• Keys and stones have nothing to do with ecology

• A keystone isn't a living thing, it's just a stone

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

NGSS.MS-LS2-5

A sea otter protects the kelp forest by eating organisms that eat kelp. Without sea otters the kelp forest will collapse. What type of species is a sea otter? SEV2.D

• invasive species

• keystone species

• native species

• symbiotic species

Tags

NGSS.MS-LS2-4

What two products does a plant make during photosynthesis? SEV1.B

• Water and Glucose

• Oxygen and Glucose

• Oxygen and Water

• CO₂ and Glucose

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3