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777dan777 [17]
3 years ago
9

1. Based on the cladogram, which group of plants evolved most recently

Biology
1 answer:
PSYCHO15rus [73]3 years ago
6 0
The answer your looking for should be flowering plants
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Who is most in danger from the effects of overfishing ?
faltersainse [42]

I don't think we can answer this question just like that. The question should be formulated a bit differently:

WHAT is in danger from the effects of overfishing?


Well, in the end of the "effect-spectrum" we are in danger, since we also eat fish. But the most affected species are the ones that form the aquatic ecosystems. Such as fish. Examples:

1 - Many of the fish we eat, feed on sea-weed. If there aren't enough fish to eat the growing population of sea-weed, many fish die of intoxication.

2 - We don't have almost any fish restrictions in a way, because we can eat basically all of them. Therefore, many fish (which are also being eaten) find themselves in a lack of food.

3 - Many times, we concentrate on a specific species, which is a main cause of the extinction of species.



Hope it helped,



BioTeacher101


8 0
3 years ago
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Which of the following groups is present in amine compounds? A) COOH group B) PO4 gropu C) NH2 group
Mkey [24]
I think the correct answer from the choices listed above is option D.It is the NH2 group that is present in amine compounds. Amines<span> are formally derivatives of ammonia, wherein one or more hydrogen atoms have been replaced by a substituent such as an alkyl or aryl group.</span>
7 0
3 years ago
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True or false: In a gel electrophoresis gel, a DNA fragment containing 100 bp (base pairs) would travel faster (and further) tha
vova2212 [387]

Answer: true

Explanation: In gel electrophoresis, the smaller the size/molecular weight of DNA the faster it moves across the gel and vise versa. This is as a result of the pore size of the gel which is usually prepared 1g of agarose in 100ml of distilled water. So a DNA fragment with 1000 base pairs will "struggle" its movement across the gel pore making it mive less faster and further. Movement and molecular weight of DNA are inversely proportional.

3 0
3 years ago
Which of the following situations show a biotic factor operating within an ecosystem? SC.912.L.17.7
castortr0y [4]
D. Carnivores that eat other animals

A biotic factor is a living organism that shapes its environment.
5 0
2 years ago
Impressions of leaves are recognized as evidence of which pre-existing life?
xeze [42]
B plants Explanation I hope it’s right :)
8 0
3 years ago
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