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m_a_m_a [10]
3 years ago
11

What protects earths surface

Biology
1 answer:
spin [16.1K]3 years ago
4 0
The earth's atmosphere
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A mite is a tiny organism that may "ride" on top of an insect such as a beetle in order to move quickly from place to place.
Whitepunk [10]

Answer: the beetle is neither harmed nor helped by the mite.

Explanation:In this case, the mite benefits because it gains transportation from the beetle. If the beetle is neither harmed nor helped by the mite, then the relationship between the mite and the beetle would be an example of commercialism.

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3 years ago
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Which organelle is responsible for producing the energy for cellular processes?
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Organelle g the mitochondria
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Is the fibula distal to the femur?
Alexxx [7]

Answer:

yes

Explanation:

The femur is the single bone of the thigh. The patella is the kneecap and articulates with the distal femur. The tibia is the larger, weight-bearing bone located on the medial side of the leg, and the fibula is the thin bone of the lateral leg. The bones of the foot are divided into three groups.

5 0
3 years ago
if a nondisjunction occurs at anaphase I of the first meiotic division, what will the proportion of banormal gametes (for the ch
patriot [66]

Correct question:

if a nondisjunction occurs at anaphase I of the first meiotic division, what will the proportion of abnormal gametes (for the chromosomes involved in the nondisjunction)?

Answer:

100%

Explanation:

Nondisjunction at meiosis-I means that two homologous chromosomes of at least one homologous pair fail to separate from each other during anaphase-I. This would result in the formation of one cell with one extra chromosome and the other with one less chromosome by the end of meiosis-I. Meiosis-II in these two cells would maintain this chromosome number in the daughter cells. Therefore, out of the total four gametes formed by the end of the meiosis, two would have one extra chromosome and would be denoted as "n+1". The rest of the two gametes would have one less chromosome and would be denoted as "n-1".

4 0
3 years ago
Failure in a particular structure of the heart tends to cause a backup of blood in the lungs, known as pulmonary congestive hear
xeze [42]

Answer:

Left ventricle.

Explanation:

Human heart is divided into four chambers - two auricles and two ventricles. Heart acts as the pumping organ and carries both oxygenated and deoxygenated blood in the right and left ventricles.

The failure of functioning of any chamber of heart may cause a particular disease in the individuals. The pulmonary congestive heart failure occurs due to the failure of the left ventricles of the heart. The left ventricle carries blood from heart to the body tissues, its failure leads to the backup of blood in the lungs.

Thus, the answer is left ventricle.

5 0
3 years ago
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