Types of Interactions between Species

According to Charles Darwin, what must occur as more individuals are produced than can possibly survive?

• Cooperation among all individuals

• A struggle for existence

• Peaceful coexistence

• Reduction in reproduction rates

In the African savanna, what animals do lions hunt?

• Elephants

• Giraffes

• Zebras

• Buffaloes

What is one of the impacts of the interactions lions have in the wild?

• They decrease the lion population.

• They have no impact on lions.

• They contribute to the evolution of lions.

• They increase vegetation growth.

What is the primary difference in the habitats of the lions shown in the images?

• One is in a natural habitat, while the other is in captivity.

• Both are in a zoo.

• Both are in the wild.

• One is in a desert, while the other is in a forest.

What does the term "niche" refer to in an ecosystem?

• The highest point in an ecosystem

• The unique role of a species within an ecosystem

• A type of ecosystem

• The most common species in an ecosystem

Which of the following is NOT included as a part of a species' niche?

• Physical home

• Environmental factors necessary for survival

• Species interactions with other organisms

• The number of individuals in the species

What is the primary difference between a niche and a habitat?

• A) A niche is a location, while a habitat describes the role of an organism.

• B) A habitat is a location, while a niche describes the role of an organism.

• C) A niche and a habitat both refer to the same concept of an organism's location.

• D) A habitat is an organism's pattern of use of its location, while a niche is the location itself.

What can a niche also be considered as in an ecosystem?

• A) A physical space that an organism occupies.

• B) The type of food an organism eats.

• C) The functional role or job a species plays in the ecosystem.

• D) The climate conditions an organism can tolerate.

What type of herbivore is the American Bison primarily classified as?

• Small Grazing Herbivore

• Large Grazing Herbivore

• Small Browsing Herbivore

• Large Browsing Herbivore

Which type of grassland does the American Bison utilize?

• African Grasslands

• European Grasslands

• American Grasslands

• Asian Grasslands