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frosja888 [35]
3 years ago
12

In plants and animals, sexual reproduction causes variation within a species. This variation is

Biology
1 answer:
Tom [10]3 years ago
4 0

Answer:

Genetic variation is an important force in evolution as it allows natural selection to increase or decrease frequency of alleles already in the population. Genetic variation is advantageous to a population because it enables some individuals to adapt to the environment while maintaining the survival of the population.

Genetic diversity serves as a way for populations to adapt to changing environments. With more variation, it is more likely that some individuals in a population will possess variations of alleles that are suited for the environment. Those individuals are more likely to survive to produce offspring bearing that allele.

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Carbon cycle contains an important stage called Carbon fixation. This
grandymaker [24]

Answer: 4

Explanation:

Fungi(mushrooms) are heterotrophs and they cannot fix nitrogen from the atmosphere and they must obtain it from their environment. They are using complex organic compounds as a source of carbon.

Most plants can fix carbon which are 1. Grass 2. Maple trees 3. Algae and hat are why they are incorrect answers because from this question only 4. mushrooms can fix carbon.

5 0
3 years ago
A lizard with a striped tail and a normal head is crossed with one having a normal tail and a spotted head. All the F 1 progeny
gavmur [86]

Answer:

9 normal : 3 striped : 3 spotted: 1 striped and spotted.

Explanation:

The F1 progeny contains no spots or stripes and are considered as normal, it means normal tail and normal head are dominant on their alternative traits. So, it means that the F1 progeny are heterozygous in nature for both of the traits.

The cross between 2 F1 progeny is dihybrid cross of lizards (heterozygous) which will produce offspring in 9:3:3:1 ratio, where 9 are normal, 3 striped which are dominant in the one character, 3 spotted which are dominant in other, and 1 will be stripped and spotted which is recessive in nature.

8 0
4 years ago
What is one of the causes of daily variations in temperature on a planet's surface?
Neporo4naja [7]

Answer:

D

Explanation:

i am sorry if this is wrong

3 0
3 years ago
Read 2 more answers
Dr. kirch is a psychiatrist and finds that 70% of his patients qualify as having symptoms of sleep disorders, according to the r
DanielleElmas [232]
This study lacks generalizability.
Generalizability is an academic term and describes the process of extending research findings and observations from a study on a sample population to a larger and more diverse population. The larger the sample population, the easier will be to generalize the results to the wider population. In this example, Dr Kirch used a sampling technique called convenience sampling, which involves the selection of the most available and proximate subjects. However, there is sampling bias since the sampling population is not representative of the entire population and therefore the study can not speak for the entire population.
7 0
3 years ago
Which list places the layers of the sun in the correct order from innermost to outermost?
katrin2010 [14]

Answer:  The inner layers are the Core, Radiative Zone and Convection Zone. The outer layers are the Photosphere, the Chromosphere,

Explanation: Hope this helped! :)

7 0
3 years ago
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