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Ymorist [56]
2 years ago
15

Tetrapods (amphibians, reptiles, and mammals) all share a common ancestor. Which of these traits was NOT present in the common a

ncestor of all tetrapods (amphibians, reptiles, and mammals):
a. Amniotic egg
b. Vertebral column
c. Digits
d. Paired appendages
e, Jaws
Biology
1 answer:
zloy xaker [14]2 years ago
5 0

Answer:

Amniotic egg.

Explanation:

Amniotic egg is the advanced evolutionary character first appeared in reptiles. These amniotic egg allows the reptiles to colonize on the dry lands. This amniotic egg is covered by hard shell in birds and reptiles.

The amniotic egg is not present in fishes and frogs as they lay their eggs in water. The amniotic egg is present in reptiles, birds and mammals. The vertebral column, paired appendages, jaws and digits are present in frogs, reptiles, birds and mammals.

Thus, the correct answer is option (a).

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Check all the characteristics below that describe<br> Compounds
MrRa [10]

Answer:

Two or more elements,

Two or more elements,Chemically combined elements,

Two or more elements,Chemically combined elements,More and definite proportions.

Explanation:

A compoundcan be definedas a substance which is composed of two or more elements, that are combined together chemically.

These constituents elements are present in definite proportion and quantities. The composing elements of a compound can be separated only by the means of chemical procedures. A compound is composed of more than one type of atom.

Hence answer could be:

Two or more elements,

Two or more elements,Chemically combined elements,

Two or more elements,Chemically combined elements,More and definite proportions.

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2 years ago
__________ allow people to smell different aromas and taste sweet, salty, and sour foods.
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Im 90% sure the answer is b) chemoreceptors
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Douglas and McGarty (2001) reported that the anonymity of Internet chat rooms, newsgroups and listservs seems to foster more hos
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Answer:

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Explanation:

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In this case, people that are not physically present tend to be more hostile or engaged in some cruel act. This is because they know they can be seen face-to-face, and people will not know that they are the perpetrator of the act.

3 0
2 years ago
Which of the following statements is true regarding cerebral lateralization? Check all that apply
Finger [1]

Answer:

A. Left-handed people usually exhibit a wider frontal, parietal, and occipital lobe on the left compared to the same lobes on the right.

D. Imagination, insight, and artistic skill are usually specialties of the right hemisphere.

E. Lateralization develops with age and is not already developed at birth.

Explanation:

3 0
2 years ago
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