Competition in Ecology

Hawks and brown bears live together in the same habitat. There will be competition between the hawks and the brown bears only if which of the following is true?

• Brown bears hibernate during the winter while hawks remain active.

• Pesticides in the fish population affect hawks’ eggs and decrease their population.

• Both brown bears and hawks feed on the same species of fish.

• Both Shanna and Savanna feed on the same species of snakes.

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NGSS.MS-LS2-1

A student wants to investigate competition between two organisms. For the investigation, it is most important that the student should choose organisms that –

• reproduce at a faster rate.

• are both active during the night.

• have the different adaptations.

• require the same resources.

Tags

NGSS.MS-LS2-1

In an ecosystem, what do organisms and populations with similar needs compete over?

• food

• water

• shelter

• all of the above

Tags

NGSS.MS-LS2-1

Two species of fish live in the same pond. Which of the following would increase competition between these two species of fish?

• Habitat temperature increases.

• Population of birds that eat the fish increases.

• Number of food plants the fish eat increases.

• Water level in the pond decreases.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Competition: When organisms attempt to use the same ​ (a)   ecological resources in the same place at the same time.

​ (b)   : between members of the same species

​ (c)   : between members of different species

• limited

• Intraspecific

• Interspecific

• unlimited

Hawks and owls eat the same type of food and struggle with one another to get their food. What is this an example of?

• Competition

• Biotic factor

• Symbiosis

• Population

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NGSS.MS-LS2-2

Select the correct area

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

Animals ​ (a)   with each other for ​ (b)   factors such as water and shelter. They compete for ​ (c)   factors such as other animals they eat. They also may compete to ​ (d)   biotic factors such as animals that eat them or cause disease.

• compete

• abiotic

• biotic

• avoid

Tags

NGSS.MS-LS2-1

A ____________________ Relationship is when two living things "fight" for limited resources.

• Dependent

• Competitive

Animals from two different species utilize the same source of nutrition in one area. It is most accurate to say that the animals…

• will learn to get along

• will compete for food

• will die because there will not be enough food for both of them

• will learn to eat different foods

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4