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algol13
2 years ago
7

What are organisms of the same species that are at the same level of descent from a common ancestor called?

Biology
2 answers:
ch4aika [34]2 years ago
6 0
I feel like it’s A or B but I have a strong feeling for A
Anna11 [10]2 years ago
5 0
The answer to your question is A ( Species of Ancestors)
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Enzymes what do they do? what are they made of? how do they work?
MatroZZZ [7]
<span>To break a protein down into its amino acids you will need enzymes. Enzymes are biological molecules (proteins) that act as catalysts and help complex reactions occur everywhere in life. Let's say you ate a piece of meat. Proteases would go to work and help break down the peptide bonds between the amino acids.

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5 0
2 years ago
Scientists have discovered and analyzed a huge number of fossils that represent a wide variety of species. What type of evidence
Rainbow [258]

Answer:

The fossil record supports a "biological" type of evidence.

Explanation:

<u>Fossils-</u> this refers to the <em>remains of prehistoric organism.</em><em> </em>It provides a trace of a <em><u>once-living plant, animal or organism. </u></em>

When it comes to evolution, fossils provide a biological type of evidence. This means that,<u><em> it shows how organism have greatly changed from the past.</em></u> When you study fossil records, you can compare it with the animal, plant or human structure nowadays. You can compare them side-by-side. So, you'd get that idea on how prehistoric things lived in the past and how they evolved up to the present day or became extinct.

<em>Most of the fossils can be found on sedimentary rocks.</em> You can also tell their ages according to which layer they belong. It is said that older layers consist of older fossils and they appear at the bottom while younger layers consist of younger fossils and they appear on top.

5 0
2 years ago
Nerves that supply bone accompany ____________ through the nutrient foramen. they are responsible for the innervation of the bon
Cerrena [4.2K]
Nerve that supply bone accompany blood vessels through the nutrient foramen. They are responsible for the innervation of the bone as well as its outer covering, the periostem, the inner lining of the medullary cavity, the endosteum, and the medullary cavity. The nerves that innervates these structures are mainly sensory nerves that signal injuries to the skeleton.

Blood vessels enter the bones from the periosteum through the nutrient foramen (a small opening or hole in the bone), where the nutrient artery enters and where one nutrient veins exists in bone. The blood vessels supply nutrients and oxygen required by cells and remove the waste products from the cells of the bones.

Endosteum functions to cover and lines the bone, it is an incomplete layer of cells that covers all internal surfaces of the bone within the medullary cavity. It contains the Osteoprogenitor cells, osteoblasts and osteoclasts which are important cells of the bone.

Periosteum on the other hand is a fibrous, thick membrane covering the external surface of the bone, apart from the articular cartilage on the epiphysis. It is made of two layers: the outer fibrous layer of dense irregular connective tissues that protects the bone from external structures, anchors the blood vessels and nerves to the surface of the bone. It also  serves as an attachment site for ligaments and tendons. The inner cellular layer contains various cells which includes the osteoprogenitor, osteoclasts and osteoblasts.



5 0
3 years ago
Please help with my biology
astraxan [27]

1. Plantae

2. Kind

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5 0
3 years ago
Does anyone know how to answer these questions? PLEASE I NEED HELP ASAP. This is for biology.
kvasek [131]

Answer:

Answer No 3: Recent studies and researches have shown that the muscle cells do not actually wear and tear during heavy exercises. What happens is that micro tears are formed in the muscle fibers as a result of heavy exercise. These micro tears  cause the muscle cells to rebuild themselves.

Answer No 4: One of the biggest reasons that the insertions done by CRISPR-Cas9 insertion would not pass to future generations is because the specialized cells are being modified in this system. As the specialized cells do not have the tendency to for all cells of the body hence, the insertion made by CRISPR-Cas9 will most likely not be transferred to the future generation.

6 0
2 years ago
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