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hammer [34]
3 years ago
15

Can someone please help me on this !

Biology
1 answer:
Arisa [49]3 years ago
7 0

To find an angle you use a variable like x or y. Sincw its a straight angle, it would be x +103 = 180. then you would subtract 103 on both sides. then you'll get x= 77 degrees

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The green "s c u m" you see in an aquarium is called _____.
Setler [38]

Answer:

b. cladophora

Explanation:

The cladophora algae is a type of green algae that grows attached to rocks or wood that are underwater. It forms short, rigid green filaments that branch, it's smell is similar to mushrooms. The cladophora is introduced in aquariums via contaminated plants or equipment, therefore to prevent it's formation it is necessary to clean everything before intoruducing it to the aquearium. This algae is so resistant once installed that usually the tank has to be re-started.  

8 0
3 years ago
A disease called phenylketonuria causes mental problems, reduces skin pigmentation, and also affects the coloration of urine. Wh
swat32

Answer:

Pleiotropy

Explanation:

Pleiotropy is a genetic condition in which a single gene conditions the expression of multiple phenotype. There are different types of pleiotropy depending on the underlining mechanism

  • <em>gene pleiotropy</em>
  • <em>developmental pleiotropy</em>
  • <em>selectional pleiotropy</em>
  • <em>antagonistic pleiotropy </em>

<em>Phenylketonuria is a disease characterized by increased level of amino acid phenylalanine in the blood. It caused by mutation to the gene responsible for breaking down phenylalanine in the blood. Elevated level of phenylalanine causes other issues such as mental problems, urine coloration and reduction in skin pigmentation. This is a clear case of pleiotropy.</em>

7 0
3 years ago
Describe how each of the following brain scanning techniques would aid the doctors in making their diagnosis of these symptoms:
vlada-n [284]

Explanation:

The picture represents three steups. How can these setups be used to detrmine the strength

of the battery? Explain what does each case represent?

5 0
3 years ago
1. Label: Based on what you have learned, identify the organs of the human digestive system.
oee [108]
Mouth, esophagus, stomach, small intestine, large intestine and anus
6 0
2 years ago
A potential source of confusion in constructing a phylogeny tree is similarity between organisms that is due to:.
jok3333 [9.3K]

 convergent evolution - called analogy

a potential source of confusion in constructing a phylogeny is similarity between organisms that is due to convergent evolution - called analogy - rather than to shared ancestry. thus for mammals, the backbone is a shared ancestral character, a character that originated in an ancestor of the taxon

6 0
2 years ago
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