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lutik1710 [3]
3 years ago
11

What is a soil horizon?

Biology
1 answer:
Vika [28.1K]3 years ago
6 0
A layer of soil with characteristic properties
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We live in the Cenozoic era, and scientists know more about this era and the epochs it's divided into than any other time period
mel-nik [20]

Answer:

D. We know more about the Cenozoic era because this the most recent time period in the history of the Earth, and we have more information available to study.

Explanation:

The Cenozoic era is the era that is by far the best studied and known by the scientists. The main reason for this is that this era is the most recent one, and it is actually the era we live in. Because it is the most recent era, the Cenozoic is abundant with lot of evidence of what has happened in it. The fossil records are very rich as the fossils didn't had that much time to totally decompose. The rock layers are much younger, so they contain much more detailed evidence of the plant life, climate, changes in the environment. The oceanic crust is also in abundance, which is not the case with the other eras as the oceanic crust is constantly suducted.

6 0
3 years ago
When did Homo sapiens first evolve
vlabodo [156]

Answer:

300,000 years ago

Explanation:

Homo sapiens evolved from their early hominid predecessors between 200,000 and 300,000 years ago and developed a capacity for language about 50,000 years ago.

5 0
3 years ago
Read 2 more answers
What organism is able to appear at any level in a food chain/web?why?
andrezito [222]
Fungi because they can break down any dead orginisms and be eaten by other orginisms.
6 0
3 years ago
Which phase of the cell cycle is the least common process of mitosis and what could be the reason?
AveGali [126]

Answer:

In anaphase, the shortest stage of mitosis, the sister chromatids break apart, and the chromosomes begin moving to opposite ends of the cell. By the end of anaphase, the 2 halves of the cell have an equivalent collection of chromosomes. In telophase, 2 daughter nuclei form. The nuclear envelope beings to reappear.

8 0
3 years ago
Which of the following statements about T lymphocytes is FALSE? Which of the following statements about T lymphocytes is FALSE?
defon

The false statement is: T lymphocytes produce antibody molecules

B lymphocytes produce antibody molecules.

B cells and T cells or lymphocytes are both cells of the adaptive immune system. Progenitor T cells mature (start to express T cell receptors TCRs,  CD4 /CD8 receptors) into T cells in lymphoid organ-thymus. T cell can recognize only those antigens that are presented on antigen-presenting cells, on their surface MHC molecules.

There are three types of T cells: Helper T cells,Cytotoxic T cellsand T regulatory cells.

6 0
3 years ago
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