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Setler [38]
2 years ago
11

Could elodea or paramecium from a freshwater lake be expected to survive if transplanted into the ocean? PLEASE PLEASE PLEASE EX

PLAIN
Biology
1 answer:
zvonat [6]2 years ago
3 0

Answer: No

Explanation: Elodea or Paramecium live in fresh-water lakes and they are not adaptive to salt-water. Oceans are salty and the cells will lose water due to osmosis and eventually dry up and fall apart.

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Ksenya-84 [330]

Answer and Explanation

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6 0
3 years ago
Arthropods invaded land about 100 million years before vertebrates did so. This most clearly implies that
horrorfan [7]

The correct answer is - A) arthropods evolved before vertebrates did.

The arthropods have evolved much earlier than the vertebrates. They were on the scene millions of years before the earliest marine forms of the vertebrates. Because the arthropods were on the scene much earlier, they managed to use the newly formed suitable environment on the land. They were initially marine, but with only slight adaptations they were able to adapt to the terrestrial life.

Once the arthropods got out of the marine environment and started to take up the niches in the terrestrial environment, they experienced a real explosion in their evolution and diversification. They were the dominant land dwellers, and because of the lack of competition, as well as the higher levels of oxygen, they managed to reach pretty big sizes for their standards. Unfortunately for them, their brain capacity is limited to a very low level, so once the competition came on the scene, they were quickly pushed from the throne as the dominant terrestrial creatures.

7 0
3 years ago
Can you tell from this tree whether a C at position 15 evolved before or after a T at position 15? Explain your answer
Ratling [72]

The evolutionary tree is not observed here but it is possible to answer this question by observing which nucleotide is found in the root of the node. It indicates the first substitution.

<h3>What is an evolutionary tree?</h3>

A phylogenetic evolutionary tree is a diagram used to show the evolution of a given taxonomic group (for example, a group of species).

It is possible to trace the evolution of a given taxon by tracing the nucleotide substitution observed from a common ancestor.

In an evolutionary tree, the root of the node is represented by the common ancestor and therefore the presence of a particular nucleotide (either T or C) in that position can be considered as the ancestral character.

Learn more about evolutionary trees here:

brainly.com/question/2189834

7 0
2 years ago
A unique characteristic of birds is that they have _____.
umka21 [38]

Answer:

they can fly , which requires alot of energy & keep their body warm with their feathers

8 0
3 years ago
What is the symbiotic relationship between elephants and ants
Paraphin [41]

Answer:

plant helps ant and ant helps elephant

Explanation:

The plant provides shelter and food for the ants and it seems that the ants protect the plants from elephants

4 0
2 years ago
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