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Kruka [31]
3 years ago
13

What are the three pressures that lead to biodiversity

Biology
1 answer:
Sergio039 [100]3 years ago
3 0
1. Immigration
2. Emigration
3. Extinction events

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Which evolutionary process involves the slow addition of allelic variation that increases the hereditary diversity of population
klasskru [66]

Answer:

Mutation

Explanation:

Mutation is a change in the nucleotide sequence by addition, deletion, substitution, etc which results in the slow addition of allelic variation that increases the diversity in a population and leads to evolutionary change.

The right mutation in the allele or gene is favored by nature and it is passed in the next generation through reproduction. Mutation helps in the survival of a population in the continuously changing environment by adding new alleles that increase the fitness of the organism. So the correct answer is mutation.

6 0
3 years ago
Brown eye color in fruit flies is caused by a variation in a gene. What are two possible sources of this genetic variation?
sattari [20]

Answer:

random mating

<h3>matution:a change in the chromosomes or genes of a cell</h3>

Explanation:

crossing over(or recombination) between chromotids or homologous chromosomes during meiosis

6 0
2 years ago
Explain the influence of the Sun and the Moon on Earth's tides. (6)
Bess [88]

Answer:

Together, the gravitational pull of the moon and the sun affect the Earth’s tides on a monthly basis. When the sun, moon, and Earth are in alignment (at the time of the new or full moon), the solar tide has an additive effect on the lunar tide, creating extra-high high tides, and very low, low tides — both commonly called spring tides.

Explanation:

Tidal Variations - The Influence of Position and Distance Together, the gravitational effects of the moon and the sun affect the Earth’s tides on a monthly basis. The elliptial orbits of the moon around the Earth and the Earth around the sun have substantial effects on the earth’s tides.

7 0
3 years ago
Which of the following is NOT good practice when it comes to antibiotics?
Oduvanchick [21]

Answer:

D. Refusing to take an antibiotic for a viral infection

Explanation:

4 0
3 years ago
A diverse group of mostly single celled organisms are called
Debora [2.8K]

Explanation:

the answer is not A, B,D now get it it is Clear C protists

6 0
3 years ago
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