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shtirl [24]
3 years ago
11

What type of skeleton (ENdoskeleton, EXoskeleton, or None) do sponges have

Biology
1 answer:
Alex787 [66]3 years ago
7 0
I think it is none but im not sure

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What is the term for a female's first menstruation? menopause menarche andropause andrenarche cyclopause?
Aleksandr-060686 [28]
The term is called menarche.
8 0
4 years ago
(a) Describe why DNA replication is said to be a semiconservative process. Explain how random mutations such as those in pathoge
stich3 [128]

Answer:

DNA replication is semi-conservative because each helix that is created contains one strand from the helix from which it was copied. The replication of one helix results in two daughter helices each of which contains one of the original parental helical strands.

A mutation is a change that occurs in our DNA sequence, either due to mistakes when the DNA is copied or as the result of environmental factors such as UV light and cigarette smoke. ... Mutations can also occur as the result of exposure to environmental factors such as smoking, sunlight and radiation.

Btw :

stay safe! :3

6 0
3 years ago
Samantha está probando la velocidad del sonido en una montaña muy fría. Mide la temperatura en -20 ° C. Calcula la velocidad del
Alja [10]

Answer:

318,6 ms-1

Explanation:

Como sabemos que la relación entre la velocidad del sonido en el aire y la temperatura viene dada por;

V = 331√T / 273

Dónde;

V = velocidad del sonido

T = temperatura en kelvin = (-20) + 273 = 253 K

V = 331√253 / 273

V = 318,6 ms-1

3 0
3 years ago
What are the sources of genetic variation during Meiosis?
aniked [119]

Explanation:

Genetic variation is increased by meiosis

Because of recombination and independent assortment in meiosis, each gamete contains a different set of DNA. This produces a unique combination of genes in the resulting zygote. Recombination or crossing over occurs during prophase I

7 0
3 years ago
Energy cannot be produced by fungi and heterotrophic organisms
Angelina_Jolie [31]

Answer:

No they cannot

Explanation:

Fungi, which are also heterotrophs as well as other heterotrophic organisms cannot produce their own energy for their own function because they do no make their own food. That is they do not have chloroplasts and therefore obtain energy from autotrophs ( organisms that make their own food for energy)

4 0
3 years ago
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