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jarptica [38.1K]
2 years ago
11

17. Give 3 main causes of habitat degradation.

Biology
1 answer:
koban [17]2 years ago
6 0
The main causes of a habitat degradation is pollution, invasive species, agriculture development, diminished resources, such as water and food, urban sprawl, logging, mining, destructive fishing practices and the disruption of ecosystem processes, such as altering that intensity and frequency of fires in an ecosystem. Hope this helps x
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Is sickle cell anemia caused by genetic or environmental factors
iVinArrow [24]

Answer:

Genetic, geographic & cultural factors that cause sickle-cell anemia. It is important to note that even genetic diseases are caused by multiple social, environmental and biological factors. This is particularly true in the case of sickle-cell anemia, a genetically inherited blood disorder usually found in people with West African ancestry (PBS 2001).

6 0
3 years ago
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What is the name for the rocky upper layer of the solid earth? A. biosphere B. magnetosphere C. atmosphere D. lithosphere
algol [13]
The rocky upper layer of the solid earth is called the "lithosphere". This rocky part includes the brittle upper portion of the mantle and also of the crust. It is bounded by the atmosphere above and of the asthenosphere which is another part of the upper portion of the mantle. 
3 0
3 years ago
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In garden pea plants, purple flowers (P) are dominant to white flowers (p), and full pod shape (F) is dominant to constricted po
kifflom [539]

Answer:

The phenotypes are as follows

Purple, full- 9

Purple, constricted- 3

White, full- 3

White, constricted- 1

Genotype of parents are PpFf, each produce the following gametes: PF, Pf, pF and pf.

Explanation:

This is a dihybrid cross involving two distinct genes. One coding for flower color and the other for pod shape. The allele for purple color (P) is dominant over the allele for white color (p) while the allele for full pod (F) is dominant over the allele for constricted pod (f).

In a cross between two heterozygote parents i.e. PpFf × PpFf, each parent will produce the following gametes: PF, Pf, pF and pf. Using these gametes in a punnet square (see attached image) the following 16 offsprings will be produced in a phenotypic ratio: 9:3:3:1

Purple color, full pod- 9

Purple color, constricted pod- 3

White flower, full pod- 3

White flower, constricted pod- 1

7 0
3 years ago
Which claim is most likely to be based on pseudoscience A. The arrangement of the stars can bring you good luck B. The color of
tigry1 [53]

The claim 'The arrangement of the stars can bring you good luck' is most likely to be based on pseudoscience.

<h3>What is pseudoscience?</h3>

Pseudoscience is defined as knowledge that is not obtained or derived from using the scientific method.

From a scientific perspective, the type of knowledge derived from pseudoscience cannot be verified and therefore is meaningless.

In conclusion, the claim 'The arrangement of the stars can bring you good luck' is most likely to be based on pseudoscience.

Learn more about pseudoscience here:

brainly.com/question/604092

#SPJ1

7 0
2 years ago
Explain the relationship between crossing over and genetic variation
Semmy [17]

A variation is a reference to the differences or deviations, such as the structure and form, as for crossing over is the exchange of genetic material between the non-sister chromatids of the homologous chromosomes during meiosis.
3 0
3 years ago
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