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scZoUnD [109]
3 years ago
8

PLEASE!!!!!!!Can someone Please help me with some science hw !

Biology
1 answer:
Aleksandr-060686 [28]3 years ago
6 0
1) Charles Darwin's groundbreaking book, The Origin of Species, described the process of Natural selection

2) All of the above? (not sure)

3) A wood duck with brighter, vibrant coloration than the others

4) Survival of the fittest seems the best

5) How many surviving offspring they are about to have?
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You design an experiment to test the hypothesis that consuming caffeine increases a person's chances of developing a headache. P
lora16 [44]

Answer:

d) A group that does not drink soda (caffeinated or decaffeinated) or other caffeinated beverages for 10 days

Explanation:

In an experiment, two groups exist as follows: experimental group and control group. Experimental group is the group that receives the experimental treatment (independent variable) while the CONTROL GROUP is the group that does not receive the experimental treatment.

In this experiment, the experimental treatment is the CAFFEINATED SODA (contains caffeine). Hence, the appropriate control group for this experiment will be the group that does not drink any soda (whether caffeinated or decaffeinated) or other caffeinated beverages for 10 days.

4 0
3 years ago
Compared the Mendelian Dominance, how to incomplete dominance and codominance increase the number of phenotypes? Provide an exam
REY [17]

Answer/Explanation:

<h3>Incomplete dominance</h3>

In incomplete dominance, one allele is not entirely dominant over the other, so heterozygotes (organisms with two different alleles for the gene) show an intermediate or blended phenotype.

For example, consider flower colour.

  • If the allele for red flowers (R) was dominant over the allele for white flowers (r), then there are three possible genotypes (RR, Rr, and rr) and two possible phenotypes. (Red (RR and Rr) and white (rr)).
  • However, if the allele for red flowers (R) was incompletely dominant over the allele for white flowers (r), then there are three possible genotypes (RR, Rr, rr), and three possible phenotypes (red (RR), white (rr), and pink (Rr))
<h3>Co-dominance</h3>

In incomplete dominance, two alleles are both expressed, one is not dominant over the other. Therefore, heterozygotes (organisms with two different alleles for the gene) express both traits.

For example, consider flower patterns.

  • If the allele for spots (F) was dominant over the allele for stripes (f), then there are three possible genotypes (FF, Ff, and ff) and two possible phenotypes. (Spots (Ff and ff) and stripes (ff)).
  • However, if the allele for spots (F) was co-dominant to the allele for stripes (f), then there are three possible genotypes (FF, Ff, ff), and three possible phenotypes (spots (FF), stripes (ff), and spots and stripes (Ff))

8 0
3 years ago
Mammals are adapted to live in the following environments:
ki77a [65]
Mammals are adapted to live in D - all of the above. Mammals are, infact, very versatile groups of species which have evolved in a way that also itself enables their versatility. For this reason, mammals have been able to roam the different parts of Earth and thrive in that environment. 
5 0
3 years ago
Read 2 more answers
Body systems work alone to keep the body in a state of homeostasis<br><br> True or false
Oliga [24]

Answer:

False, the body systems have to work together to maintain homeostasis

Hope this helps!

4 0
3 years ago
Read 2 more answers
An advertisement for health supplement for dogs claims to build lean muscle and strengthen tendons and ligament as well as provi
UkoKoshka [18]

The correct answer is vitamins and proteins.

Using the supplements for dog is important in order to make the muscle growth and to strengthen the tissues.

Vitamins, such as Vitamin C, which is required for a dog to support collagen production or Vitamin E which has antioxidant function.


8 0
4 years ago
Read 2 more answers
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