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ira [324]
2 years ago
8

What do the black bars represent in this spectrum?

Biology
1 answer:
Step2247 [10]2 years ago
3 0

Answer:

cosmic background radiation

Explanation:

hope this helps!!

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Fossils of archaeopteryx. The carliest known bird show which of the following unique characteristics that indicate its dinosaur
Pepsi [2]
Archaeopteryx had "teeth, three claws on each wing" similar to dinosaurs. So, most appropriate answer would be Teeth & Wings

Hope this helps!
6 0
3 years ago
Explain mendel's experiment with peas on inheritence of characters considering only one visible contrasting character.
m_a_m_a [10]

➜ <u>Mendel conducted breeding experiments with garden peas</u>:

[i] He studied plants (pure) of a tall/short varities.

[ii] He crossed them and obtained F1 progeny.

[iii] He found that F1 progeny was all tall plants.

[iv] He selfed the (hybrid) plants if F1 progeny.

[v] He found that in F2 progeny there were tall as well as short plants.

[vi] The three quarter plants were tall and one quarter was short.

(or any other contrasting character may be taken).

<u>Note</u>: Here, F1 means <u>First fillial generation</u> and F2 means <u>Second fillial generation</u>.

7 0
2 years ago
Read 2 more answers
The derived characteristic of protostome development is found in which of the following phyla?
slava [35]

B. Roundworms<span>. 

The Protostome organisms are subclustered into three main groups, moreover nematoda or roundworms belongs to the Ecdysozoa group.</span>

<span>Roundworms are organisms that are diverse and almost in clustered to many other ecosystems and environment. 

These Protostome  includes mollusks, annelids, and arthropods

</span>

3 0
3 years ago
Read 2 more answers
The main function of organelles is
saw5 [17]

Answer:

C. move proteins throughout the cell

Explanation:

My science teacher told me.

4 0
3 years ago
A farmer has two homozygous varieties of tomatoes. One variety, called Little Pete, has fruits that average only 2 cm in diamete
zvonat [6]

Answer:

Balanced

Explanation:

It should be understood that the method used above by the farmers is known as artificial crossing, or artificial insemination when describing the act in animals.

This method is usually adopted to achieve an excellent results from two organisms of different traits.

In this case, the plant or crop with small fruits might have some needed traits like ability to withstand drought, which the other plants with big fruits does not have.

Therefore, the crossing will help to produced a plant which its fruit will be balanced with both traits.

6 0
3 years ago
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