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balandron [24]
2 years ago
10

What is The dichotomous key

Biology
1 answer:
gayaneshka [121]2 years ago
7 0

Answer:

A dichotomous key is an important scientific tool, used to identify different organisms, based the organism’s observable traits. Dichotomous keys consist of a series of statements with two choices in each step that will lead users to the correct identification.

Explanation:

Your welcome! :)

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The mitochondrial DNA sequences of a large extended family were analyzed and compared to a single male in the family. Which of t
tester [92]

Answer:

His sisters son

Explanation:

Mitochondrial DNA are small circular chromosomes found inside the mitochondria. They are passed exclusively from the mother to children through the egg cell therefore it is maternally inherited.

In the given question. Mitochondrial DNA of an extended family was sequenced and compared to a single male.

His sisters son will match because the person and the sister will have similar mitochondria since they have the same mother. The sister will pass it down to her son.

7 0
3 years ago
What are the characteristics that classify an object as being living called?
Arte-miy333 [17]

Three of the major characteristics used to classify organisms are cell structure, mode of nutrition and cellularity. These characteristics help scientists determine how organisms are similar to each other as well as how they are different from each other.

4 0
3 years ago
How do you do punnett squares?
cricket20 [7]
For a punnett squares the F is the dominant gene and the f is the recessive gene



So the top would most likely be a male and the top would a male and the side would be the female

This is for kids

4 0
3 years ago
if a sponge was treated with a drug that specifically inhibited the activity of neuros and nothing else, what imoact would you p
Stels [109]

Sponges belong to the Phylum Porifera and hence are one of the most primitive organisms. The sponge would not be impacted by the drug.

Their bodies are asymmetrical. frame form can be cylindrical, vase-like, rounded or sac-like. they're diploblastic animals with layers, the outer dermal layer and the internal gastral layer. there's a gelatinous, non-cell mesoglea, in among these layers.

The phylum Porifera comprises the sponges. Sponges are simple invertebrate animals that live in aquatic habitats. despite the fact that the general public of sponges are marine, some species stay in freshwater lakes and streams.

Most sponges are hermaphroditic male and female cells exist in one animal and reproduce by using freeing spermatozoan into the water present day to be carried to other sponges, wherein they interact with eggs. Sponges also can reproduce.

Learn more about sponge here:-brainly.com/question/16524610

#SPJ4

3 0
1 year ago
What is the most abundant source of the body's water?
lesya692 [45]

Explanation:

Water is the most abundant substance in the body. An average healthy adult is 45 to 75 percent water. Percent of water declines with age. Males have more body water than females.

6 0
3 years ago
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