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alexandr402 [8]
2 years ago
5

I give out brainlist

Biology
1 answer:
Jet001 [13]2 years ago
3 0

Answer:

The second filial generation or the F2 generation

Explanation:

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18. Approximately when did the first plants and arthropods appear on land?
LenaWriter [7]

Answer:

C. 444 Ma

Explanation:

The first plants that managed to colonize the land appeared around 470 million years ago, while the first arthropods on land appear i the fossil records around 450 million years ago, so we can say that around the period of 444 million years ago they were well established on land. The first arthropods that started to have terrestrial life were almost identical to those in water, with only minor changes that enabled them to breathe and move more easily. The first plants on land were non-vascular plants. They were small as they initially didn't had deep and well established roots.

3 0
3 years ago
Read 2 more answers
How does carbon move from the nonliving (abiotic) environment into the living (biotic) environment?
miss Akunina [59]

Answer:

b plants take carbon dioxide from the air

6 0
3 years ago
Mae noticed that the birdbath in her backyard loses water more quickly during hot summer days than during the cooler days of the
professor190 [17]

Answer:

B. Water evaporates more quickly when temperatures are high

Explanation:

Constructing an hypothesis is KEY to any experimental setup. It is the first thing to do in accordance to the scientific method. A hypothesis is simply a predicted statement that aims at proferring solution that is subject to testing via experimentation.

According to this question, Mae observed that the birdbath in her backyard loses water more quickly during hot summer days than during the cooler days of the spring. A suitable hypothetical statement for this observation would be: "Water evaporates more quickly when temperatures are high".

N.B: Hypotheses are not questions

4 0
2 years ago
Which of the following statements about translation is FALSE?
myrzilka [38]

Answer:

e. All of the above are False.

Explanation:

A tRNA is a transfer RNA that carries amino acid from the cell pool to the mRNA-ribosome complex. The anticodon sequence of tRNA is complementary to the mRNA codons and bind to the respective amino acids. None of the tRNA has anticodon for stop codons and therefore, as soon as the ribosome reaches stop codon, protein translation terminates.

AUG is the initiation codon for protein synthesis and codes for methionine when present at a site other than the start site. The initiation codon is often preceded by an untranslated sequence, also called leader sequence. The ribosome moves along the mRNA in 5' to 3' direction in a GTP dependent manner to facilitate elongation of the polypeptide chain.

4 0
3 years ago
How many types of organisms are there on Earth?
tankabanditka [31]
There is well over a million types of organisms on Earth.
3 0
2 years ago
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