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torisob [31]
3 years ago
11

Which of the following is not an observation or inference on which natural selection is based?

Biology
1 answer:
olga2289 [7]3 years ago
4 0

Answer: B. Poorly adapted individuals never produce offspring

Explanation:

Natural selection is a theory that states organisms adapts to its environment due to differences in their phenotypes. So, <u>individuals with favorable traits are more likely to survive and reproduce</u>. It is a key mechanism of evolution, which is the change in traits of a population over generations.

<u>Populations respond to natural selection if they contain heritable variation </u>among them, wich means that individuals differ in the traits they transmit to their offspring.

Because of the environmental selection pressures, individuals produce more offspring than their environment can support. <u>The pressure determines which individuals will survive and reproduce</u>, while others will die because of predation or diseases. So, natural selection is based on the observations of adapted individuals.

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Which is a component of the biosphere?
velikii [3]

Answer:

There are basically 4 components of Biosphere.

Explanation:

Biosphere is the collection of all ecosystems on earth and their interactions with each other. The Biosphere of earth consists the following components,

1. The Biota

All the living organisms including animals, plants, insects and bacteria is called the Biota.

2. Geosphere

Geosphere is the surface of biosphere that is composed of soil, rocks, mountains etc.

3. Hydrosphere

The hydrosphere includes all the water bodies like ocean, rivers, streams and lakes.

4. Atmosphere

Atmosphere is the climate that describes about the temperature, humidity, wind and rain fall in Biosphere.

6 0
3 years ago
The scientific definition of ______ refers to changes in a species or population over time. systematics genetics evolution biolo
natita [175]

The scientific definition of evolution refers to changes in a species or population over time.

Evolution is a long-term process. It may take millions of years and several generation for an evolution to occur. The cause of evolution can be genetic as well as environmental. The evolution is a result of mutation. Evolution generally gives rise to new species, that is different from its ancestral population.

Population is a group of similar type of organisms.  These organisms live in the same habitat, require same resources and have same kind of habits. The most essential criteria that defines a population is that the organisms of a population can mate with each other and produce offspring.

To know more about evolution, here

brainly.com/question/13492988

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4 0
1 year ago
Many plants produce seeds which have small hooks on them. These hooks will attach to animals as they
Pavlova-9 [17]
I believe the answer is D
4 0
3 years ago
The graph shows that if Jenna walks for hours, she will walk miles.
motikmotik
Im not sure but if there was a graph maybe 
5 0
3 years ago
Why do vertebrate embryos show similarities between organisms that do not appear in the adults?
yKpoI14uk [10]

It is believed that this happens because some signals that regulate development are the same between different species and because <span>they share ancient genes. </span>These ancient genes are expressed during a middle "phylotypic stage" of embryonic development for all species.

For example,  human and animal embryos go through very similar stages of early development and share similar features such as tails and gill-like structures. The major difference appears to be how long it takes to reach each of these same stages.

3 0
3 years ago
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