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allochka39001 [22]
3 years ago
9

Humans are a. vertebrates b. chordates c. all of these d. animals

Biology
1 answer:
PilotLPTM [1.2K]3 years ago
6 0

Answer:

c. all of these

Explanation:

Humans are animals as they are multicellular eukaryotic organisms that are mobile, heterotrophic and can reproduce sexually.

On further classification they belong to the phylum chordates as they possess the five anatomical features present in this phylum at some point in their lives. These features are presence of notochord, endostyle, pharyngeal slits, tail and dorsal nerve chord. They also have bilateral symmetry and possess a coelom.

Humans can be further classified as vertebrates as they possess the vertebral column. It is also known as backbone or spine and is characterized by segmented bone series separated by intervertebral discs. Hence, humans are animals, chordates and vertebrates.

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The correct answer is: sea stars

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In protostomes the mouth forms first: the oral end of the animal develops from the first developmental opening. On the other hand in deuterostomes the first opening (the blastopore) becomes the anus, and the oral end of the develops from the second opening.

Humans are also deuterostomes.  

4 0
3 years ago
What makes female bees unique?
MrRissso [65]

Answer:

the correct answer is b

4 0
3 years ago
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Soloha48 [4]

It is not possible to determine this from this info. Thus, option "B" is correct.

<h3>What is standard error of mean?</h3>

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Thus, option "B" is correct.

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3 0
2 years ago
If George is spanked immediately after his baby sister cries, he is likely to become fearful every time she cries. If Ken is spa
julia-pushkina [17]

Answer:

Associative learning may be defined as a type of learning in which the new response gets easily associated with the stimulus. Except habituation learning all simple learning procedure are included in this learning.

In the associative learning, reactions of an individual are based on there spank. George learns to cry on being spanked this is because this stimulus of sister cries gives response. Crying do not show any effect on ken because he does not know about his sister crying.  

5 0
3 years ago
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butalik [34]

Answer:

I don't know

Explanation:

I don't knowI don't knowI don't knowI don't knowI don't knowI don't knowI don't knowI don't knowI don't knowI don't knowI don't knowI don't knowI don't knowI don't knowI don't knowI don't knowI don't knowI don't knowI don't knowI don't knowI don't knowI don't knowI don't knowI don't knowHow are primary and secondary ecological succession similar?

1 Both types of succession require the same amount of time to occur.

2 Both types of succession result in greater biodiversity over time.

3 Both types of succession decrease the stability of an ecosystem.

4 Both types of succession have the same starting conditions.

5 Both types of succession eventually lead to a community closer to equilibrium.

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