Energy is measured in what units?

• hertz

• joules

• kilowatts

• wavelength

• newtons

Age pyramids with a rectangular base have...

• high death rates among the young

• a declining population with mostly elderly

• a high growth rate

• a similar number of individuals in each age group

Tags

NGSS.HS-LS2-2

A type of adaptation which allows prey to evade predators

• warning coloration

• mimicry

• chemical secretions

• camoflauge

• all of these

What relatively recent development is greatly impacting the carbon cycle?

• photosynthesis

• cellular respiration

• formation of fossil fuels

• combustion of fossil fuels

• formation of carbonate rock

Tags

NGSS.MS-ESS3-4

The total fertility rate is an estimate of

• the number of children that will survive to adulthood

• the number of years a typical infant will live

• the number of children each woman will have on average

• the number of births per 1000 people

Tags

NGSS.MS-ESS3-4

If similar species each occupy a smaller niche when they live together than they would if they live alone, they are said to be

• partitioning resources

• involved in succession

• coevolving

• engaging in mimicry

Most energy on Earth ultimately comes from

• the sun

• volcanoes

• trees

• water

• fire

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

Overnutrition can lead to many health issues. These include all of the following except

• Type II diabetes

• hypertension

• stroke

• HIV/AIDS

Which group of organisms performs photosynthesis?

• heterotrophs

• autotrophs

• scavengers

• consumers

• detritivores

Tags

NGSS.MS-LS1-6

The material rotating in the North Pacific Gyre could best be described as

• solid waste from countries without landfills

• solid waste composed mostly of plastics

• organic wastes dumped from cruiseships

• coal slag from China

Tags

NGSS.MS-PS1-3