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viva [34]
3 years ago
10

10 What is a fossil?​

Biology
1 answer:
m_a_m_a [10]3 years ago
8 0

Answer:

Simple answer:

A fossil is any sort of remain from an animal, like bones, teeth, even the whole thing etc...  that has been preserved over time.

Hope this helps :)

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Explain the relationship between mutations, adaptations, natural selection, and extinction
Musya8 [376]

Mutations and natural selection cause adaptations. Mutations can cause instant adaptations, while natural selection is the process by which adaptations occurs over a series of generations.  

Adaptations are changes or processes of changes by which an organism or species becomes better suited for its environment.  

A mutation is an alteration of the DNA sequence. Sometimes such alterations code for the same amino acid sequence as the unaltered DNA strand during protein synthesis. In such a circumstance, the mutation is not detectable. However, other mutations alter the genetic code in such a way that a noticeable change in the trait that is associated with that gene is visible. Sometimes such mutations are advantageous and improve the organism's ability to survive in its environment.  

Natural selection is the process by which organisms with more advantageous traits (being camouflaged, being covered with the correct outer covering for the temperatures of that environment, stronger/ larger/ or faster to fight off or run from predators, etc.) are more likely to survive in a particular environment. Likewise, organisms less advantageous traits are more likely to die due to the pressures exerted by the environment (such as temperature, predators, illness, etc.). Therefore, the organisms with the advantageous traits that survive are more likely to survive to find a mate and reproduce. Thus, the advantageous traits are passed down to future generations.

<u><em>Hope this helps because I was learning about this today! </em></u>

<u><em></em></u>

<u><em>Soruces that might help: </em></u>

brainly.com/question/6836560

5 0
3 years ago
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The leg muscles of a sprinter would differ from a marathon runner in that ________. The leg muscles of a sprinter would differ f
andrew11 [14]

Answer:

The correct answer is - per gram, the marathon runner's muscles would contain more myoglobin than the sprinter's muscles.

Explanation:

Marathon runners have smaller leg muscles and thinner quads and calves as marathon runners require slow-twitch muscles while in sprinters the fast-twitch muscle requires. Slow-twitch muscles of marathon runners have more amount of myoglobin, per gram than fast-twitch muscles.

Myoglobin acts as local oxygen storage that provides oxygen to the muscles in case of less oxygen supply than required temporarily and a marathon race is an intense exercise or activity that requires more oxygen.

6 0
3 years ago
How are respiratory illnesses primarily spread?
ipn [44]

Answer:

coughing and sneezing

4 0
3 years ago
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What is true about the structure or function of the plasma membrane?
Anit [1.1K]

Answer:the first one I believe!

Explanation:

Sorry if it is wrong I have already done this and I pretty sure it’s the first one!

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3 years ago
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What information can be gained from the position of bones at a crime scene?
mamaluj [8]

Answer:

The help determine age, gender, race, and height

7 0
3 years ago
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