Ecology

Barnacles are animals that cannot move. In order to get food, they attach to whales and catch any floating plankton in the water. The whale is neither helped nor harmed in the interaction. What type of symbiosis is this?

• Mutualism

• Commensalism

• Parasitism

• Neutralism

In the wild, some alligators gets their teeth cleaned by birds. The birds gets their food from the alligators' teeth.

What type of symbiosis is this?

• Mutualism

• Commensalism

• Parasitism

• Neutralism

In an ecosystem, there are populations of moose, rabbits, grass, and pine trees. Suddenly, a fire blazes through the area, which kills all of the populations. As the months go on, new species of grass begin to take root. This attracts animals, and eventually the ecosystem is restored.

What type of ecological succession happened?

• Primary succession

• Secondary succession

• Tertiary succession

• None of the above

In this photo, what is an abiotic factor?

• Deer

• Grass

• rain

Study of interactions between organisms and their environment 

• niche
• community 
• ecology
• ecosystem

Members of a species in a defined area

• Ecosystem
• community
• biodiversity
• population

What is the original source of almost all energy in most ecosystems?

• carbohydrates
• sunlight
• water
• carbon

Evaporation of water from the leaves of a plant gives of purified water to be evaporated.

• precipitation
• concentration
• transpiration
• evaporation

A bee receives nectar from a flower and carries the pollen to other flowers:

• predation

• parasitism

• mutualism

• commensalism

Mistletoe grows and spreads on trees, taking their nutrients:

• predation

• parasitism

• mutualism

• commensalism