Ecology Part 4

The close relationship between two different species in an ecosystem

• Biosphere

• Ecology

• Symbiosis

• Environment

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Organisms that “fight” for limited resources such as food, water or mates. It can be between organisms from different species or between organisms of the same species.

• Predator-Prey

• Mutualism

• Competition

• Parasitism

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A symbiotic relationship where one species obtains food or benefits from another species without benefitting or harming the other.

• Commensalism

• Mutualism

• Competition

• Parasitism

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A symbiotic relationship that benefits both members of two different species.

• Predator-Prey

• Commensalism

• Mutualism

• Parasitism

A symbiotic relationship where one organism (the parasite) benefits from and hurts another (the host).

Usually the parasite is getting food from the hosts body.

• Commensalism

• Parasitism

• Mutualism

• Competition

A relationship where one organism (predator)

eats another organism (prey),

usually of a different species.

• Parasitism

• Mutualism

• Commensalism

• Predation

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Remoras attach themselves to a shark’s body. They then travel with the shark and feed on the leftover food scraps from the shark’s meals. The relationship neither harms nor benefits the shark.

• parasitism

• commensalism

• mutualism

• predation

Honey guide birds alert and direct badgers to bee hives. The badgers then expose the hives and feed on the honey first. Next the honey guide birds eat. Both species benefit.

• parasitism

• commensalism

• mutualism

• predation

When a mosquito bites you, you are the __________ and the mosquito is the  ____________.

• host, hostess
• parasite, host
• host, parasite
• prey, predator

Aphids are tiny insects that live on and eat the leaves of plants, removing vital nutrients from the plants. What type of symbiosis is this?

• Predation

• Parasitism

• Commensalism

• Mutualism