2.3: Predation and Symbiosis

Multiple Choice

The picture is an example of ___________ between the wolves.

• mutualism

• commensalism

• competition

• parasitism8

Multiple Choice

Which is NOT a limiting factor in the environment?

• money

• water

• food

• shelter

Match

Match the following

• Oceans

• Precipitation

• Surface freshwater

• Snow fields

• Aquifer

96.5% of water on Earth; supplies about 90% of the evaporated water that goes into the water cycle.

The primary delivery of atmospheric water to the Earth.

Streams (all sizes), ponds, lakes, reservoirs, canals, and wetlands

Natural reservoirs for many western, mountainous states; responsible for most of the streamflow

This is is an underground layer of water-bearing permeable rock where groundwater can be extracted

• 96.5% of water on Earth; supplies about 90% of the evaporated water that goes into the water cycle.

• The primary delivery of atmospheric water to the Earth.

• Streams (all sizes), ponds, lakes, reservoirs, canals, and wetlands

• Natural reservoirs for many western, mountainous states; responsible for most of the streamflow

• This is is an underground layer of water-bearing permeable rock where groundwater can be extracted

Multiple Choice

Click on the picture of the graph. What is this graph showing?

• Lynx and hare populations over time

• Lynx and hare captures over time

• Lynx and hare offspring over time

• Lynx and hare speed over time

Multiple Choice

Which pattern is found in the graph?

• The populations do not show a similar pattern

• The populations cycle opposite of each other about every 10 years. When one increases, the other decreases

• The populations cycle with each other about every 10 years. When one increases, the other also increases

Multiple Choice

What is the best definition of animal adaptation?

• Changes to an animal's diet.

• Characteristics that help animals survive.

• Characteristics of an animal's habitat.

• Skills learned in order to hunt.

Multiple Choice

If the number of predators in the environment increases, what happens to the number of prey organisms?

• it stays the same

• it becomes the same as the number of predators

• a decrease

• an increase

Multiple Choice

Humans and bacteria live in a close relationship with one another. For example, the bacteria that dwell in the human large intestine helps to complete the digestive process. The organism gains nutrients and protection in our intestine.

The relationship between humans and their digestive bacteria can be described as

• mutualism

• competition

• predation

• commensalism8

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Cymothoa exigua

Parasitism: it's got your tongue?

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Draw

What emoji best represents the cuckoo and warbler? Draw on the slide!!! :)

Match

Match the following

• Commensalism

• Mutualism

• Parasitism

• Predation

Birds that live among cattle to eat insects stirred up by grazing

An Egyptian plover eating bugs off of a giraffe or rhino.

A tick living on a dog drinking its blood.

A bear catching and eating a salmon from a river.

• Birds that live among cattle to eat insects stirred up by grazing

• An Egyptian plover eating bugs off of a giraffe or rhino.

• A tick living on a dog drinking its blood.

• A bear catching and eating a salmon from a river.