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Vsevolod [243]
3 years ago
7

The study of the form or structure of all living things

Biology
2 answers:
Kitty [74]3 years ago
4 0

Answer:

The study of the form or structure of all living things is anatomy.                  

SSSSS [86.1K]3 years ago
4 0
Anatomy, hope this helps :)
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Embryological studies suggest that the most ancient chordates were related to the ancestors of:
Elodia [21]
The answer is Echinoderms.

According to the Embryological studies, the most ancient chordates were closely related to the ancestors of the echinoderms. Echinoderms are members of the group Phylum Echinodermata of marine animals. Some known echinoderms are starfish, and sea cucumbers.
6 0
3 years ago
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We have already talked about another class of chemicals that helps send signals in the body—neurotransmitters. How are neurotr
Darina [25.2K]

Answer:

Similarities: both are chemical messengers, both can have (but don't necessarily have) similar structures (made from amino acids), both can be produced by the central nervous system (hypothalamus produces some hormones), certain molecules can act as both hormones and neurotransmitters (example: norepinephrine).

Differences: neurotransmitters are released by neurons across a synaptic gap, have very short distances to travel, and act very quickly on the neighboring cell. Hormones are released by glands and often have to travel longer distances, which means that they are slower-acting. Also, hormones are typically used for regulation (negative feedback) while neurotransmitters are used for stimulation of a neighboring cell.

Explanation:

7 0
2 years ago
An effective strategy for stepping in if someone appears to need help is
LenKa [72]

Answer:

An effective strategy for stepping in if someone appears to need help is <u>directly check in with the person</u><u>.</u>

Explanation:

Many a time, our closed ones will be fighting battles we are unaware of. We are so busy in our lives that we either do not notice the problems of our loved ones or we just think that if they need help from us, they will ask it themselves. But we shall realize the fact that many people will not ask for help themselves due to certain reasons.

So, it is best to always check upon the persons you love if you think that they might need any help.

5 0
3 years ago
Hazardous substances ______________ whereas toxins are ______________.
Illusion [34]
Hazardous substances are dangerous substances while toxins are poisonous substances. Hazardous substances may cause harm to an individuals health; they include acute toxins such as cyanide; substances harmful after repeated or prolonged exposure such as mercury and silica, among others. Toxic substances can be poisonous or cause health effects.
6 0
3 years ago
Please help me I beg youuuuuuu!!!
Annette [7]

Explanation:

Risks:

may lead to a lack of variety in plant or animal species

The nutritional value of foods can be less

Benefits:

faster than natural selection

More selective breeds / Types

8 0
3 years ago
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