IB Biology Topic 1 Review

Which organism do the owl and the weasel compete for in the food web?

• Hawk

• Spider

• Grasshopper

• Shrew

Tags

NGSS.MS-LS2-1

Which of the following processes removes carbon from the atmosphere?

• Plant Respiration

• Auto and factory emissions

• Photosynthesis

• Animal Respiration

Tags

NGSS.MS-LS1-6

If the amount of dissolved oxygen in the light bottle used for the investigation in the lesson does not change, an explanation for this is

• The rates of photosynthesis and respiration are equal

• Respiration is not occurring

• photosynthesis is not occurring

• no photosynthesis occurred

Tags

NGSS.MS-LS1-6

__________ primary productivity is the total amount of energy that producers convert to chemical energy in organic molecules per unit of time.

• Net

• Total

• Gross

• Secondary

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

How do lichens contribute to primary succession?

• Lichens decompose organic matter from animals and plants

• Lichens begin to break down rock to form soil

• Lichens are nitrogen fixing bacteria

• Lichens convert carbohydrates into fossil fuels.

Tags

NGSS.MS-LS2-3

What is formed during primary succession that doesn't need to be formed during secondary succession?

• pioneer species

• soil

• climax community

• lichens

After a forest fire, an ecosystem would start regrowth through -

• primary succession

• secondary succession

• climax community

• limiting factors

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which catastrophic event will most likely have the effect of returning an ecosystem to primary succession?

• A tornado

• A volcanic eruption

• A flood

• A drought

Tags

NGSS.MS-ESS3-2

Which experiences the least change over time?

• Pioneer Species

• Primary Succession

• Aquatic Succession

• Climax Community

What term could be described as an equilibrium?

• pioneer species

• primary succession

• secondary succession

• climax community