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yanalaym
2 months ago
10

What uses mutation rates in dna to estimate the time that two species have been evolving independently.?

Biology
1 answer:
-BARSIC- [2.5K]2 months ago
7 0
Hello, the response to this inquiry would be Molecular Clock. A molecular clock refers to a method that researchers employ, utilizing the mutation rates of DNA to approximate how long two species have been evolving separately. I hope this was helpful:)
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an organism's Fitness describes how well it is adapted to its environment the environment is made of biotic and abiotic factors
garik1379 [2080]

Response:

Both living and non-living factors influence the survival and reproductive success of fish within an ecosystem.

The presence of various predators for a specific type of fish will affect its survival and breeding rates. More predators can threaten the fish's ability to thrive within that ecosystem, leading to potential predation.

The quantity of prey also impacts fish survival; fewer prey means greater competition for resources among species.

Non-living variables, like salt concentration in water, can also affect fish survival and reproduction. A species not adapted to saline environments could be wiped out due to rising salt levels in its habitat.

Additionally, human actions, such as dumping waste into water bodies or allowing fertilizers to drain into aquatic ecosystems, can severely harm the survival and breeding rates of certain aquatic species.

Explanation:

5 0
1 month ago
Seth will attend college in the fall and live in the dormitory, so he is required to obtain a blank against bacterial meningitis
11111nata11111 [2571]

Response:

vaccine

bacteria

pathogens

cells

toxins

antibiotics

Clarification:

Bacterial meningitis is a severe infection leading to the Inflammation of the membranes surrounding the brain and spinal cord.

This infection is typically viral but can also be caused by fungi and bacteria. A vaccine is necessary to combat bacterial meningitis. Common signs include fever, neck stiffness, and headaches. It spreads through bacteria found in the throat of an infected individual and can be transmitted via coughing, sneezing, or kissing. The bacteria serve as pathogens that emit a toxin , which damages cells and components of the nervous system.

This condition is treated with intravenous antibiotics and corticosteroids in some cases.

Therefore, the correct sequential responses for the blanks are vaccine, bacteria, pathogens, cells, toxins, and antibiotics.

4 0
2 months ago
The diagram below represents a cell in a human body which statement concerning the structures within the cell is acurate
lana [2441]
I can assist, but there’s no diagram or statements provided to select from.
8 0
2 months ago
What are two sources of organic waste that are produced by aquatic ecosystems?
Rainbow [2354]
Two types of organic waste produced by aquatic systems are nitrogenous compounds like ammonia and decaying organic matter.
The ecosystem found in water bodies is referred to as an aquatic ecosystem. Life exists within these waters. The two main categories of aquatic ecosystems are marine ecosystems and freshwater ecosystems. Freshwater ecosystems can be further classified into lentic, lotic, and wetlands.[[TAG_2]]
7 0
2 months ago
When Cara is three, her parents learn that she has a rare brain disease that requires the removal of the right hemisphere of her
lana [2441]

Answer:

The answers are - a, and b.

Explanation:

Plasticity refers to the brain's capacity to adapt and undergo changes throughout an individual's life. It showcases an impressive capability for recovery following surgical intervention or damage to the brain.

Neurogenesis signifies the ability to regenerate nerve cells, which can occur in adults but typically requires around six weeks to take place.

Consequently, the answers are - a, and b.

6 0
1 month ago
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