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Vadim26 [7]
2 years ago
9

A whale is a mammal and a shark is a fish, but they have similar body plans. This is an example of _______.

Biology
1 answer:
goldfiish [28.3K]2 years ago
8 0
This is an example of analogies
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Which of the following statements about archaea are true cowan?A) They are prokaryotes.B) They lack peptidoglycan in their cell
Veseljchak [2.6K]

Answer:

All the options are true except option D.

Explanation:

Archaea are a group of prokaryotic organisms i.e. they lack a membrane bound nucleus. They are one of the the three domains of life (the other two being bacteria and eukarya). Archeans possess a cell wall like bacteria but it is not composed of peptidoglycan, like bacteria cell wall.

Archeans are generally known to be found in very severe environmental conditions, hence, they are referred to as extremophiles e.g Some are thermoacidophiles i.e. thrive in very hot and acidic environment while others are extreme halophiles i.e. thrive in salty regions. Archeans known as methanogens produce methane gas as a product of metabolism from carbon dioxide and hydrogen.

However, the domain archeae was only found to be in existence recently after the domain bacteria, hence, they are not considered to evolve before the domain bacteria.

3 0
3 years ago
Which process in eukaryotic cells will proceed normally whether oxygen (o2) is present or absent?
VLD [36.1K]
The correct answer is glycolysis. 

Glycolysis is an anaerobic process of splitting a molecule of glucose (6 carbons) to 2 molecules of pyruvate (3 carbons each). Glycolysis does not require the presence of oxygen and will still produce energy, albeit lower than aerobic metabolism. In the absence of oxygen, fermentation can occur wherein pyruvate is further converted into lactate.
3 0
2 years ago
Which statement best describes why a peanut plant farmer would NOT use selective breeding?
blondinia [14]
A. He wouldn’t want his new peanut plants to have butter peanuts
8 0
2 years ago
Which group contains only molecules that are each assembled from smaller organic compounds
Yuki888 [10]
I believe the answer is Proteins, DNA, fats, and starch
8 0
2 years ago
Which sets of characteristics are likely to be found in a dichotomous key to identify these insects? Check all that apply.
34kurt
<h3><u>Answer;</u></h3>

has 6 legs/has 8 legs

has wings/does not have wings

has one pair of wings/has two pairs of wings

<h3><u>Explanation</u>;</h3>
  • Dichotomous keys are biological keys which are sets of statements that act as clues leading to the identification of an organism.
  • Dichotomous key is a biological tool for identification of unknown organisms.
  • A single characteristic is considered at a time. Two contrasting statements are put forward to describe the characteristics in such a way as to separate the organisms, which continues until the organisms have been identified.
5 0
3 years ago
Read 2 more answers
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