Biology SB5

Which of the following statements describes density-independent limiting factors?

• Competition is an example.

• Environmental extremes, such as a hurricane or drought, are examples.

• Their effects increase as the population increases in an area.

What is a group of individual organisms that belong to the same species?

• Community

• Ecosystem

• Biome

• Population

Some birds are known as honeyguides because humans often follow them to wild beehives. When the humans take the honey from the hives, the birds are able to feast on

the honey and the bees as well. This type of relationship between the humans and the birds can best be described as

• Mutualism

• Commensalism

• Parasitism

• Herbivory

What do tropisms NOT allow a plant to do?

• respond to light

• respond to gravity

• respond to water sources

• respond to sound

Look at the image

• gravitropism

• phototropism

• thigmotropism

• rapid response

Tags

NGSS.MS-LS1-6

Which of the following is an example of a density-dependent limiting factor?

• temperature

• predation

• oxygen supply

• an earthquake

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Where does the light that most plants use for photosynthesis come from?

• water reflections

• the Sun

• Earth

• electric lights

Tags

NGSS.MS-LS1-6

The diagram shows a general representation of an energy pyramid for a living system. As energy flows through the pyramid,

• 10% of available energy is passed to each increasing trophic level.

• 25% of energy is gained at each increasing trophic level.

• energy remains the same at each trophic level.

• energy increases at each trophic level.

Tags

NGSS.MS-LS2-3

Which of the following is a characteristic of a prokaryotic cell?

• Presence of a nucleus

• Presence of membrane-bound organelles

• Lack of a nucleus

• Lack of a cell membrane

What is the primary function of the mitochondria in eukaryotic cells?

• Photosynthesis

• Protein synthesis

• Energy production

• Lipid synthesis

Tags

NGSS.MS-LS1-7