6.4.1 Retest

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-ESS2-4

What abiotic factors might a student find in Alaska?

• Eskimos and eagles

• Pine trees and spruce trees

• Polar bears and wolves

• Temperature and snow

Tags

NGSS.MS-ESS2-5

Which of the following is an example of a biotic part of an ecosystem?

• Boulder

• Cactus

• Sand

• Sunlight

Tags

NGSS.MS-LS2-2

Which of the following best describes the relationship between abiotic and biotic factors in an ecosystem?

• Biotic factors rely on abiotic factors such as water, shelter, and light for survival. 

• Abiotic factors rely on biotic factors, such as types of trees, to exist

• Biotic factors only rely on other biotic factors for survival

• There is no relationship between abiotic and biotic factors; they can survive on their own.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which of the following describes an interaction between a biotic factor and an abiotic factor?   

• A bird eats a worm

• A meerkat digs a tunnel under the ground for shelter 

• Two male horses fight over a female horse

• A hummingbird is sitting on a tree limb

Tags

NGSS.MS-LS2-3

Which of the following best describes the composition of an ecosystem?

• Sunlight and water

• Mammals and reptiles

• Biotic and abiotic resources

• Bacteria and fungi

Tags

NGSS.MS-LS2-3

What is the smallest level of organization of the biosphere in the choices below?

• Community

• Ecosystem

• Organism

• Population

Which example describes organisms competing for an abiotic factor?

  

• Male elephant seals compete on a beach for mates

• Brightly colored flowers attract bees

• Cacti compete for water in the desert

• Lions and hyenas compete for an injured zebra

A triple beam balance and a graduated cylinder are used to determine the density of a mineral sample. The sample has a mass of 30 g and a volume of 15 cm3. What is the density of the mineral sample?

• 0.5 g/cm3

• 2 g/cm3

• 7 g/cm3

• 28 g/cm3

As a boulder rolls down the side of a mountain -  

• some of its kinetic energy is converted into potential energy.

• it loses all of the energy it has and only moves because of gravity.

• its energy is transformed into electrical energy.

• its potential energy is converted to kinetic energy as it rolls faster and faster.

Tags

NGSS.MS-PS3-5