Competition in Ecosystems Quiz

What is intraspecific competition?

• Competition between individuals of different species

• Competition between individuals of the same species

• Cooperation between individuals of the same species

• Cooperation between individuals of different species

What is interspecific competition?

• Competition between individuals of the same species

• Competition between individuals of different species

• Cooperation between individuals of the same species

• Cooperation between individuals of different species

What is carrying capacity?

• The maximum number of individuals an environment can support sustainably

• The minimum number of individuals required for a species to survive

• The average number of offspring produced by a species

• The total number of species in an ecosystem

What is an apex predator?

• A predator that has no natural predators of its own

• A predator that is preyed upon by other species

• A herbivore that feeds on plants

• An omnivore that eats both plants and animals

When does competition occur between organisms in an ecosystem?

• When their niches do not overlap

• When they use different resources

• When their niches overlap and they try to use the same resource

• When resources are abundant

What do animals compete for in an ecosystem?

• Light, water, and minerals

• Food, water, and space to live

• Root space and minerals

• Light and root space

What do plants compete for in an ecosystem?

• Food, water, and space to live

• Food, light, and space to live

• Light, water, minerals, and root space

• Water, food, and space to live

Why does competition occur between organisms?

• Because resources are abundant

• Because they do not need the same resources

• Because their niches do not overlap

• Because the resource is in short supply