6.12e

What abiotic factors might a student study in an ecosystem?

• Herbivores, carnivores, and omnivores

• Algae and invertebrates

• Predators and prey

• Water, temperature, and sunlight

Tags

NGSS.MS-LS2-3

Rainforests can be described using two words: warm and wet. These forests are normally located around the equator. The large amount of sunlight creates average daytime temperatures between 86°F and 95°F. These warm temperatures paired with the normal rainfall between 70 and 80 inches per year create a very humid climate. Which abiotic factors have the greatest impact on the rainforest ecosystem?

• soil and sunlight

• rain and sunlight

• rain and soil

• sunlight and trees

Tags

NGSS.MS-LS2-1

Teachers have been known to keep Venus flytrap plants in the classroom. These plants have a reputation of being difficult to grow. Successfully growing these plants requires recreating the plant's natural habitat. Venus flytraps grow in swampy areas where the air is dense and the soil is not rich in nitrogen. Nonliving factors in the ecosystem such as air and soil are called-

• communities

• populations

• biotic factors

• abiotic factors

Tags

NGSS.MS-LS1-5

Gray wolves live in cold, forested areas. Which of the following is an abiotic part of the gray wolves’ environment?

• Pine Tree

• Snow

• Rabbits

• Mosquito

In the picture of the coral reef ecosystem, which of the following is an example of an abiotic component?

• Coral

• Fish

• Sunlight

• Algae

Tags

NGSS.MS-LS2-1

During binary fission, the DNA in the chromosome and in the plasmids is ____ . The cell membrane then pinched to form ____ .

(HINT: See pg. 123 in your textbook.)

Tags

NGSS.MS-LS3-2

Nitrogen-fixing bacteria helps plants by...

(HINT: See pg. 124 in your textbook.)

• capturing sunlight for the plant

• producing nitrogen to enrich the air around the plant

• breaking down plat cells to release stored nutrients

• transforming nitrogen from the air into a form that plants can use

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Some bacteria have a small circular strand of DNA separate from their main chromosome called a...

(HINT: See pg. 121 in your textbook.)

• nucleus

• plasmid

• capsule

• flagella

Some bacteria have a whip-like structure called a ____ that they use to move.

(HINT: See pg. 121 in your textbook.)

• nucleus

• plasmid

• capsule

• flagella

A bacterium would likely form an endospore when conditions make it ____ for the bacterium to survive.

(HINT: See pg. 123 in your textbook.)

• easy

• difficult