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Arada [10]
2 years ago
6

Plz answer I need help​

Biology
1 answer:
Bogdan [553]2 years ago
3 0
1.Fish gills are organs that allow fish to breathe underwater. Most fish exchange gases like oxygen and carbon dioxide using gills either on side of the pharynx.

2.Gills are branching organs located on the side of fish heads that have many, many small blood vessels called capillaries.

3.The colour is red

4. A Gill filaments project from each arc between the dorsal upper and ventral lower surfaces of the filaments.
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What is another name for haploid and diploid cells?
vladimir1956 [14]
Haploid and diploid cells are also called <span>gametes.

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5 0
3 years ago
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Eukaryotic secondary plastids are the result of an endosymbiotic event that involved (blank) as endosymbionts. Since this origin
Free_Kalibri [48]

Answer:

The correct answer is - Cyanobacteria; Horizontal gene transfer

Explanation:

According to the endosymbiotic theory it is believed that the eukaryotic plastids (mitochondria and chloroplasts) have developed from symbiotic bacteria, such as cyanobacteria and alpha-proteobacteria.

During this symbiotic process, some genetic material may have been move in between the symbiotic counterparts in a process called Horizontal gene transfer or lateral gene transfer.

thus, the correct answer- Cyanobacteria; Horizontal gene transfer

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3 years ago
Free energy in the cell creates disorder. Cells harness free energy to drive unfavorable reactions by using Activated Carrier Mo
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Answer:

G

Explanation:

NADPH (Nicotinamide Adenine Dinucleotide Phosphate) and ATP (Adenosine Triphosphate) are forms in which energy is stored in metabolic reactions

5 0
3 years ago
Dr. Han is studying which brain structure is associated with aggressive behavior among rats. Which part of the brain is she like
djyliett [7]

Answer:

The correct answer is - The amygdala

Explanation:

The amygdala is the part of the brain that is found in the medial temporal lobe of the brain. It is an almond-shaped structure of neurons. The amygdala is an essential region of the brain that has a major role in processing emotions such as aggression and others. It is the region of the limbic system that presents both sides of the brain.

Thus, the correct answer is - the amygdala.

7 0
2 years ago
3. Roads in urban areas are generally
vovangra [49]

Answer:

parallel and intersect at right angles

Explanation:

The roads in the urban areas tend to be very well organized and constructed. They tend to be parallel to each other, and also to intersect at right angels. The reason for this kind of building of the roads in the urban areas is to make the movement in the urban areas much easier and more efficient, mostly putting the accent on the traffic. It is a fact that the traffic is a big problem in the urban areas, so by constructing the roads in a well organized manner, the traffic jam eases up and the citizens can move more easily and quickly.

3 0
3 years ago
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