Competition for Resources

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

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

• Dependent

• Competitive

Tags

NGSS.MS-LS2-1

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

Tags

NGSS.MS-LS2-2

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.

Tags

NGSS.MS-LS2-1

In this relationship, organisms fight for resources necessary for survival. It could be things like food, water, space, light, or mates.

• Predator-Prey

• Mutualism

• Parasitism

• Competition

Tags

NGSS.MS-LS2-1

when two or more populations use the same resource, such as the same food source

• competition

• consumer population

• resource population

• parasitism

Tags

NGSS.MS-LS2-1

An increase in which of the following factors is likely to contribute to competition between two members of the same species living in a certain habitat?

• Available food resources

• Population of the species

• Annual snowfall

• Overall size of the habitat

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

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

NGSS.MS-LS2-2

Competition becomes more important as the number of individuals ______ or the availability of resources _________.

• increases, decreases

• increases, increases

• decreases, increases

• decreases, decreases

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

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