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oee [108]
3 years ago
7

How do index fossils help scientists?

Biology
1 answer:
krek1111 [17]3 years ago
5 0
Answer: Index fossils are used to identify layers of rocks. The layers will form an arrangement that relates to their age. In simpler terms, a layer that contains fossils are unique to that certain layer.
Index fossils are fossils that are mostly used by scientists due to it being easily found anywhere around the world and in abundant amounts. It can also be easily identified since they are fossils of widely varied organisms that lived during one short time period.
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The following passage describes inheritance.
m_a_m_a [10]

Answer:

A gene is a section of a double-stranded molecule known as DNA. This molecule is found within the nucleus of the cell, contained in threadlike structures called chromatin. The two strands form a double helix linked by a series of paired bases. The base adenine is always linked to thymine and the base cytosine is always linked to guanine.

5 0
3 years ago
What other structures of the cytoskeleton would show the same pattern of microtubules as a flagellum
pashok25 [27]

Answer:

<u>Cilia</u>

Explanation:

Cilia and flagellum are made up of microtubules.

Cytoskeletal filaments are structures which allow movement. In cilia and flagella, the cytoskeletal filaments are present in the form of microtubules and the primary work of these structures is to facilitate in movement.

Cilia is also present in mammals to facilitate the movement of fluids in cells.

Structurally, there is no difference between cilia and flagella. The only difference between cilia and flagella is in their lengths.

5 0
3 years ago
....skenejesjsjejsb?
irina [24]
Hey!

Have a great day✨❤️
8 0
3 years ago
Which of the following hormones is not produced by the anterior pituitary?
Anarel [89]

Answer:

oxytocin

Explanation:

The pituitary gland is a small gland that divides into two distinct portions, the anterior and posterior lobes, and is located at the base of the brain.

The anterior pituitary, also known as the adenohypophysis, secretes six important peptide hormones, they are:

  • The growth hormone;
  • Adrenocorticotropin;
  • The thyroid stimulating hormone;
  • Prolactin;
  • Two gonadotropic homons - FSH and LH;

Oxytocin is not a hormone produced by the anterior pituitary but by the posterior pituitary, which is known as the neurohypophysis.

7 0
3 years ago
The genome contains all of the DNA information needed to build and maintain an organism. In humans, the genome contains more tha
Yuliya22 [10]

Answer:

DNA is located inside the nucleus (There is also a small percentage of Dna inside the mitochondria)

8 0
2 years ago
Read 2 more answers
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