Ecology Homework check

Cattle egrets forage (feed) in fields among cattle. The egret gets easy access to flying insects stirred up by the cattle, and the cattle don't care if they are there or not.

• mutualism

• commensalism

• competition

• parasitism

A relationship between two organisms in which one organism benefits and the other is unharmed...

• Mutualism 
• Competition
• Parasitsm 
• Commensalism 

Red-billed oxpeckers are birds that often feed on parasites that infest impala. This is an example of _______.

• commensalism

• mutualism

• neutralism

• competition

What type of symbiosis?
  * Hummingbirds feed on nectar from flowers.
 * Flowers are pollinated by hummingbirds as they move from flower to flower.

• commensalism
• mutualism
• parasitism
• predation

Tags

NGSS.MS-LS2-2

A particular species of fish has a narrow range of tolerance for changes in water temperature and dissolved oxygen content. The temperature and oxygen represent

• autotrophic conditions

• a community

• limiting factors

• symbiosis

Heterotrophs include

• autotrophs, saprophytes, and herbivores

• omnivores, carnivores, and autotrophs

• saprophytes, herbivores, and carnivores

• herbivores, autotrophs, and omnivores

The presence of nitrogen-fixing bacteria in nodules on the roots of legumes such as the peanut plant illustrates and association known as

• commensalism

• mutualism

• parasitism

• saprophytism

All of the living and nonliving things in an area that interact with each other are called a/an ______.

• community

• habitat

• population

• ecosystem

What type of symbiosis? Skunks often live in burrows that have been dug and abandoned by woodchucks.

• commensalism

• mutualism

• parasitism

• predation

When 2 or more individuals or populations try to use the same resource such as food, water, shelter or sunlight. 

• Coexistence
• Competition
• Cooperation
• Carrying Capacity