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Advocard [28]
2 years ago
5

Which statement does not accurately describe natural selection

Biology
1 answer:
Alenkasestr [34]2 years ago
5 0

Answer:

A

Explanation:

A is adaptations, not natural selection

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What is cell?<br><br>hello friends!<br>I will leave brainly soon​
vagabundo [1.1K]

Answer:

Listen to pronunciation. (sel) In biology, the smallest unit that can live on its own and that makes up all living organisms and the tissues of the body. A cell has three main parts: the cell membrane, the nucleus, and the cytoplasm.

Explanation:

or do you mean phone number?

7 0
2 years ago
Explain the statement “Scientific knowledge is the result of debate and conformation within the scientific community.”
spayn [35]

Answer:

What this statement means is that experimentation is not enough, but that true knowledge comes from the analysis of results in a critical and meticulous way

Explanation:

Scientific knowledge is based on the scientific method and the results of the research, however that information is useless if it is not interpreted.

When the results are analyzed by scientists who support the same theories and have the same opinions, the results are not enriched as much as when exposed to different points of view. The debate tests the hypothesis giving rise to more complete answers.

6 0
3 years ago
1. What causes the autorhythmicity or action potentials of the nodal cells? a. A decrease in chloride permeability b. A gradual
Sveta_85 [38]

Answer:

The correct answer will be option-C

Explanation:

The rhythm of the heartbeat is controlled by the pacemaker of the heart called the sino-atrial node.

The SA node generates action potentials which trigger the contraction and relaxation of the atrium and ventricles. The membrane potential generation initiates by the depolarization of the cell membrane when the L type of Ca⁺² ions opens up and calcium ions enter the cell.

This depolarizes the cell until the potential threshold is reached which lies between the -40 and -30 mV.

Thus, Option-C is the correct answer.

5 0
3 years ago
Which type of rock is loosely held together? 1. Graphite 2.Igneous 3.Metamorphic 4.Sedimentary
masya89 [10]

Answer:

Serpentine minerals are made of tiny sheets of silica tetrahedrons that are loosely held together.

3 0
2 years ago
Jane is observing a cell under an electron microscope. She identifies an organelle having an outer and an inner membrane. She al
Damm [24]
A) Mitochondria - because they are double membraned and the inner one is highly folded into 'cristae' 
7 0
3 years ago
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