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Svetradugi [14.3K]
3 years ago
13

Look at the phylogenetic tree. Do robber crabs have more in common with humans or with sponges? What conclusion can you reach ab

out their evolution?
Biology
1 answer:
iVinArrow [24]3 years ago
4 0

Answer:

Robber crabs have more in common with humans than sponges.

Explanation:

Robber crabs have more in common with humans than sponges because sponges don't have tissues. Crabs and humans have specialised tissue.

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What is a group of similar cells that perform the same function?
Sphinxa [80]

Answer:

The answer is A. a tissue

Explanation:

Tissues are groups of similar cells that have a common function. An organ is a structure that is composed of at least two or more tissue types and performs a specific set of functions for the body.

3 0
2 years ago
In a controlled experiment, the ___ is the group that receives some type of treatment.
marysya [2.9K]
Independent experiment.
5 0
3 years ago
Use homeostasis, tissue, and organ in a sentence
Hitman42 [59]
In a living thing, both tissue and organs are very important to maintaining homeostasis.

5 0
2 years ago
Where does the RNA cap go? The tail?
Rufina [12.5K]

Answer:

The post-transcriptional modifications in the mRNA produced as a result of the transcription in eukaryotes provide many advantages to the mRNA.

The two post-transcriptional modifications are the addition of  7-methylguanosine cap at 5' end of mRNA called capping whereas the addition of the poly(Adenyl) tail at 3' end called tailing.

The advantages of capping are:

1. Protection of nascent mRNA from the degradation.

2. Recognition by transcription factors helps in translation.

The advantages of tailing are:

1. Protection of the mRNA from enzymatic degradation in the cytosol.

2. Transcription termination

3. Export of the mRNA from the nucleus  

5 0
2 years ago
Dengue fever is an infectious disease of humans that is caused by a virus. There are four main viral strains, and an individual
Yuri [45]

Answer:

12

Explanation:

Suppose the four different strains are P, Q, R, S. Thus, the first infection can be from any of the four strains and it occurs in 4 ways.

Since an individual cannot be infected again with the strain from which he/she is been previously infected;

Then, at the second time;

The possible number of strain to be infected with = 4-1 = 3 ways

Thus; the number of possible different levels of severity can be viewed by forming two lettered word  P, Q, R, and S without repetition which is:

= 4 × 3

 = 12

7 0
3 years ago
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