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bixtya [17]
3 years ago
8

Why is it so hard to find credible information about aliens?

Biology
1 answer:
Leokris [45]3 years ago
8 0
Maybe you’re not searching enough
You might be interested in
Help and Quick!
dalvyx [7]

Answer:

the first one is plants

the second one is animals

the third one is plants

the fourth one is animals

3 0
2 years ago
Read 2 more answers
How is a secondary immune response different from a primary immune response?
borishaifa [10]

Answer:

The secondary immune response is the immune response when the same antigen , memory cells that was encountered before is remembered and the immune system make antibodies to counter it.

Explanation:

There is a difference between the primary immune response and secondary immune response.

In the primary immune response occur when the immune system encountered an antigen for the first time which lead to the generation of memory cells and and the B cells with the T cells produce antibodies.

While the secondary immune response occur when the same antigen that was encountered the first time is encountered the second time and it lead to the stimulation of memory cells to produce more and high quantities of antibodies to fight foreign substances.

6 0
3 years ago
The area of a shoreline that is alternately exposed and submerged is the?
STALIN [3.7K]
Intertidal zone-Referred sometimes as foreshore,which is area above water at low tide and under water at high tide
8 0
3 years ago
Read 2 more answers
What is one way scientists know that Maiacetus lived in the ocean?
IgorC [24]

Answer The species is known from three individuals, all of which were found in the Habib Rahi Rock Formation of Pakistan

Maiacetus is significant because of how well the skeletons were preserved. Over 90% of the bones from the male were found intact, which is almost unheard of for a specimen this old!

Their skeletons have all been found among fossils of sea-creatures which suggests they lived in the sea.

The fore-snout is starting to elongate. An elongated fore-snout is found in all modern whales and all transitional whales after Maiacetus.

3 0
2 years ago
What organelle directs cellular activity and stores chromatin
gavmur [86]

Answer:

Typically, the nucleus is the most prominent organelle in a cell (Figure 1). The nucleus (plural = nuclei) houses the cell's DNA in the form of chromatin and directs the synthesis of ribosomes and proteins.

Explanation:

8 0
3 years ago
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