Marine communities

An organism's particular role in a habitat, or when and how it survives, is called its __________

• carrying capacity
• ecosystem
• competition
• niche

The struggle between organisms to survive in a habitat with limited resources is called ______________

• competition
• predation
• symbiosis
• parasitism

Tags

NGSS.MS-LS2-4

Population density is ___________

• an approximation of a number, based on reasonable assumptions
• the number of individuals of a population in a specific area
• the number of individuals moving into a population
• the smallest level of an ecosystem

Which of the following is an example of a population?

• cats and dogs in your neighborhood
• bushes and grass in a park
• the rocks in a rock collection
• gray wolves in a forest

What factor(s) could limit the growth of a prairie dog population?

• predators
• lack of prey
• space
• all of the above

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

A prairie dog, a hawk, and a snake are all members of the same ___________

• niche
• community
• species
• population

What is the carrying capacity of this population?

• 100
• 200
• 300
• 400

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of the following may be an example of random distribution?

• Animals that live in the aphotic zone and experience very little environmental changes

• Dolphins that have formed pods or social groups

• Trees that have been planted by humans and are an equal distance from each other

Which of the following may be an example of clumped distribution?

• Animals that live in the aphotic zone and experience very little environmental changes

• Dolphins that have formed pods or social groups

• Trees that have been planted by humans and are an equal distance apart

Which of the following may be an example of uniform distribution?

• Animals that live in the aphotic zone and experience very little environmental changes

• Dolphins that have formed pods or social groups

• Trees that have been planted by humans and are an equal distance apart