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Oksanka [162]
3 years ago
13

What similarities in the development lead scientists to infer that opossums ,chickens, salamanders,and fish share a common ances

tor?
Biology
1 answer:
valkas [14]3 years ago
8 0

During the early stages of development all 4 organisms have a tail and a row of tiny slits along their throats
You might be interested in
heyy I need help do u mind helping please! the question is “The following model was used to show a molecule of methane, or CH4.
Nady [450]
The type of molecule is a covalent bond where the carbon has a greater affinity of the electrons than the hydrogen. The hydrogens would be slightly positive and the carbon would be slightly negative.
7 0
3 years ago
In a histology section of the digestive tract, you observe that the mucosa is made of simple columnar epithelium and the tissue
Anastaziya [24]

Answer:

The correct answer is - stomach.

Explanation:

The stomach is the only part of the digestive tract among the duodenum, large intestine, stomach, and esophagus that has three layers of smooth muscle.

The duodenum, large intestine, and esophagus simple columnar epithelium, and others have two -layers of smooth muscles and have simple columnar epithelium. This suggests that the mucosa is the section of the stomach in the digestive tract

4 0
3 years ago
Mutation comes from the Latin word mutare,
aalyn [17]

Answer: Mutation can affect an organism by resulting to a change in the number and structure of chromosomes (chromosomal mutation). A typical example of this type of mutation is Down's syndrome where the individual contains 47 instead of 46 chromosomes.

Mutation can also result to a change in the nucleotide sequence of the DNA molecule in a particular region of a chromosome(Gene mutation) an example of genetic mutation is sickle cell anemia

Explanation:

6 0
3 years ago
Assuming that Alexa has been unfaithful, what is the possible genotype of the man who is Ryan’s biological father?
nasty-shy [4]

Answer: Bb/bb (let's take letter B this time, just for no reason since it does not matter :) )

Explanation:

if the ryan's genotype is Bb, alexa's genoype is BB, then the genotype ryan's biological father is either Bb, or bb

punnet square evidence (option 1):          

     B    b

B  BB   Bb

B  BB   Bb

punnet square evidence (option 2):

    b     b

B  Bb    Bb

B  Bb    Bb

5 0
3 years ago
A relationship in which one species kills and consumes another species is known as
Grace [21]

Answer:

Predation. An interaction in which one species kills and consumes another species

mark me as brainlist

6 0
3 years ago
Read 2 more answers
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