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telo118 [61]
3 years ago
9

Understanding types of symbiosis Interspecific interactions can be categorized by whether each species in the interaction benefi

ts, is harmed, or is neither helped nor harmed. Competition is a –/– interaction, meaning that it has a negative effect on both species. Mutualism, parasitism, and commensalism are types of interspecific interactions in which at least one species benefits. Three examples of symbiosis are epiphytic orchids and trees, hookworms and humans, and bees and flowers.
Epiphytic orchids are plants that live on the branches or trunks of trees. The trees supply the orchids with space, and the orchids (which are autotrophs) do not appear to affect the tree. Human hookworms live in human intestines and eat blood. Bees pollinate flowers while gathering nectar. Categorize mutualism, parasitism, and commensalism as either +/–, +/0, or +/+. Also select the correct definition and example for each interaction. Drag the labels to their appropriate locations on the table. Use blue labels for the blue targets, pink labels for the pink targets, and white labels for the white targets.
Biology
1 answer:
sladkih [1.3K]3 years ago
7 0

Answer:

a. parasitism:

The parasite benefits by harming the host e.g hookworms and humans

b. commensalism

In this association, one species benefits while the other is unaffected (its not harm and dies not benefit) e.g. epiphytic orchids and trees

c. mutualism

Here, both species benefit as seen in rumen bacteria and cows

Explanation:

Parasitism = +/- relationship

The predator benefits by harming the host. E.g. hookworms and humans. The hookworm (parasite) eat man blood while man (host) loses blood to it.

Commensalism = +/0 relationship

One specie(s) benefits while the other specie(s) neither benefits nor is harmed. E.g. epiphytic orchids live on tree branches or tree trunks as it's habitat or shelter while the trees neither benefits nor is harmed

Mutualism = +/+ relationship

Both organisms benefit in this relationship. E.g. rumen microbes aids grass digestion in cows, while the microbes benefit as it obtain steady food or nutrient from the cow

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