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Basile [38]
2 years ago
13

Why is the cycling of matter important to life on earth?

Biology
1 answer:
german2 years ago
6 0

Answer:

It needs to have it

Explanation:

Earth is earth

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Drag each tile to the correct location.
Mekhanik [1.2K]

Answer: In order:

1. Ingestion

2. Decomposition

3. Fossilization

4. Combustion

Explanation:

3 0
2 years ago
Which element is so reactive it is found in nature only in compounds?
tatuchka [14]
Na (sodium), because alkali metals are not found freely in nature due to their high reactivity. (In this group are lithium (Li), sodium (Na), potassium (K), rubidium (Rb), caesium (Cs), and francium (Fr).
4 0
3 years ago
What does it mean to say a food is a complete protein source
Oksana_A [137]
It means that a food has all the essential amino acids a human body needs

Like:
meat
poultry
fish
eggs
milk
and cheese
7 0
3 years ago
Ferns have vascular tissue, an adaptation to life on land, but they have an ancestral reproductive trait that tends to limit the
Kobotan [32]

Answer:

The correct answer is - flagellated sperm.

Explanation:

In ancestral trait that is flagellated sperm in ferns that were limited to moist habitat has sperms that must swim to the eggs. This is why ferns often require splashing water for the movement of sperm to points near female gametangia during reproduction.

Fern now adapted the vascular system to get life on the life and they are not limited to the water bodies, however, flagellated sperm is the ancestral reproductive trait.

7 0
2 years ago
Given the mRNA sequence GGU-GCUA-CCU-AUU, what would happen if a nucleotide was added at th fourth location in the chain
Naddik [55]
The amino acids would change resulting in totally different proteins which is also called a frameshift mutation.
8 0
3 years ago
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