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Nikitich [7]
3 years ago
9

Why is nitrogen fixation important to all organisms?

Biology
1 answer:
Fudgin [204]3 years ago
4 0
It's because it converts nitrogen gas into a usable form for plants. Most organisms can't use nitrogen gas (N₂) as-is because it doesn't react easily with other compounds (due to the triple bond between the nitrogen atoms). Nitrogen has to be fixed (into ammonia (NH₃)) before it is accessible.
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How does science shape our world?
Ratling [72]
Science isn't just gathering factual information and data, it's a body of knowledge. It's a way of thinking about problems, and how to solve them. Science shapes everything in our world since everything revolves around natural rules.

It's thanks to computer <em>science </em>that you're able to be on this site right now. It's thanks to <em>science </em>as a whole that we have any of the technology we have today, and the cures for the many once <em>deadly </em>diseases. So, if you want to know how science shapes our world... Just look around you. =)
6 0
3 years ago
Read 2 more answers
He reflexes from sense organs in the head are co-ordinated by the brain.
oee [108]

Answer:

sense of touch

Explanation:

There are five sense organs that involved vision, hearing, taste, smelling, and touch.

Sense of touch is involved in a reflex coordinated by the spinal cord as when we touch something, sensory nerves sends the information to the brain and spinal cord. the motor nerves process the signals in the brain and send it back to the muscles, that leads to contraction reflexively.

Hence, the correct answer is "sense of touch".

8 0
2 years ago
Like gymnosperms, many grasses and angiosperm trees are wind-pollinated. To conserve energy, these angiosperms do not produce co
lutik1710 [3]

Answer:

C. petals

Explanation:

A)fruits

B)sepals

C)petals

D)anthers

E)ovaries

<em>The part that will not be necessary in wind pollinated angiosperm is the petals .</em>

The petal is a part of flower that is usually colorful and primarily function by attaracting insect pollinators to the flower.

<u>Since wind pollinated angiosperms do not need to attract insect for pollination, they do not need the colorful petals. They rely on wind to carry their pollen from their anthers to their stigmas (pollination).</u>

Hence, the correct option is C.

6 0
3 years ago
Acting as levers for movement is a function of ______.
sashaice [31]

Acting as levers for movement is a function of: bones.

Movement can be defined as a process through which several skeletal muscles in the body systems act together as a group, in order to cause a change in the motion of a body part.

Basically, bodily movement are produced when skeletal muscles exerts a force on the tendons, which in turn pull on the bones (levers) and other supporting structures such as the skin.

In the body of living organisms, bones act as levers for movement by enhancing limb speed or power of limb movements while joints act as a fixed point of movement (fulcrum).

Read more: brainly.com/question/24279781

6 0
3 years ago
You are attempting to see if a suspect is associated with a crime. The only evidence you have is a tiny drop of blood from the c
kykrilka [37]

Answer:

There are no options in this question but generally a sample of DNA can be increased;

By using Polymerase Chain Reaction (PCR) technique.

Explanation:

This question describes the application of making molecular biology to solving a crime problem; a branch called forensics. In this case where an insufficient small amount of DNA sample was recovered from the blood in a crime scene, the polymerase chain reaction technique, commonly known as PCR can be used to increase the DNA sample.

In the 1980's, a molecular technique used to amplify part of a template DNA strand to produce several copies of it, was invented by Kary Mullis and his colleagues. This amplification refers to the numerical increase in the number of DNA sequence.

6 0
3 years ago
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