2 years ago

An invasive species is introduced to an ecosystem through a

2 answers:

7 0

An invasive species, is referred that way when it's non-native to a certain ecosystem. This species was introduced to that new ecosystem through:
human activity (either deliberate or accidental).
The reason we call it "invasive" it's because it becomes established in that ecosystem and spread beyond the place it was introduced, causing damage to other species.

Bogdan [553]2 years ago

3 0

This is not a full question.

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All echinoderms live in the ocean. True or false

Blizzard [7]

This answer is false.

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2 years ago

In a certain species of plant, the allele to produce green melons (G) is dominant over the allele to produce yellow melons (g).

marishachu [46]

Answer:

4.26

Explanation:

Let the green-melon parents be Gg, then we expect the cross with the yellow-melon plant gg so as to produce 50% Gg and other 50% of gg offspring. What we observed was that 53 green and a 41 yellow. Based on the total number of 94 offspring , we expected half and a half ratios to be 47 of each color.

Observed(o) Expected(e) (o-e) $(o-e)^2$ $(o-e)^2/e$