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lord [1]
3 years ago
13

Why do most biologists consider RNA to be life's first coding system?

Biology
2 answers:
Hoochie [10]3 years ago
8 0
Some RNA sequences appear to have changed very little through time. Many biologists consider RNA to have been life's first coding system. ... Evidence indicates that a sequence of chemical events preceded the origin of life on Earth and that life has evolved continuously since that time.
galina1969 [7]3 years ago
5 0
Because they studied a lot about dna and rna and figured that rna was the first coding system of lofe
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What group of organisms are responsible for capturing energy within ecosystems
Marina86 [1]

The type of organisms that take energy by eating up other organisms in an ecosystem are called 'CONSUMERS'. Now these consumers are further divided into three major classes:

1. Primary consumers: this type of consumers feed directly from the producers (plants) and they only eat grass, leaves, vegetables, etc. Such animals are also called herbivores. Example: rabbit

2. Secondary consumers: these are the animals that eat up primary consumers (animals that feed only on plants). These animals are called carnivores. Example: snake

3. Tertiary consumers: animals that eat carnivores which eats a herbivore are called tertiary consumers. They can be completely carnivore or omnivore (who feed on animals and plants both). Example: humans (they feed on animals and plants both)

4 0
3 years ago
Humans can over use the land which can speeds_____________ and could possibly lead to the land not being able to be used as farm
Aloiza [94]

Answer:

mathematics

life sciences

8 0
2 years ago
3. Describe the mechanisms by which restrictive lung diseases reduce lung function and describe an example
Ivan

The mechanisms by which restrictive lung diseases reduce lung function is increasing shortness of breath, chronic cough, weight loss, and fatigue.

<h3>How does the breathing process work?</h3>

Pulmonary ventilation consists of the flow of air into and out of the lungs with each cycle, which is composed of inspiration and expiration; it is a what they run on is the process of running the resources.

The respiratory pattern of individuals with restrictive diseases is a higher respiratory rate and lower tidal volume. of the airways, that is, they have a smaller radius. The faster the flow, the greater the friction of the molecules with the airways, further increasing the resistance.

See more about restrictive lung diseases at brainly.com/question/13047253

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7 0
2 years ago
Is the temperature profile in the thermosphere more like that of the troposphere or the stratosphere?
podryga [215]

The correct answer is: stratosphere.

This is because their temperatures are rising instead of decreasing.

There are 4 primary layers of the atmosphere on Earth:  

Troposphere (6-20km), the layer that we live in, where the weather occurs. Only nitrogen and oxygen present.

Stratosphere  (20-50 km), where the airplanes fly, contains the ozone layer, which absorbs harmful radiation from the sun.

Mesosphere (50-85 km), the coldest region of Earth’s atmosphere (-100 C), protective layer

Thermosphere (80-690), the hottest (1500 C) and the thickest layer which consists of the ionosphere and the exosphere.


5 0
3 years ago
Which takes longer, primary or secondary succession? explain why
Evgen [1.6K]

Answer:

primary succession takes longer

Explanation:

Primary succession is built from the ground up, whereas secondary succession is built from an already existing civilization.

5 0
3 years ago
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