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Dima020 [189]
3 years ago
12

What is meant by "gaps" within living things or fossils? 1. missing links

Biology
2 answers:
AlekseyPX3 years ago
4 0
1.), missing links
————————-
Alexandra [31]3 years ago
3 0

Answer:

Option (1)

Explanation:

The missing link refers to those fossils that are believed to be connecting two separate groups of organisms in their stages of evolution. They had the characteristics of both the group of organisms. These are the extinct species, and only the traces of it are found to be embedded in some rocks. So there is no proper evidence that supports their existence in the past.

They are considered to be hypothetical, diminished organisms that occur during the evolutionary stages of a group of organism. They are also known as the 'gaps' within living things or fossils.

Thus, the correct answer is option (1).

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True of false Mendel realized that when he crossed two pea plants that were the offspring of a pea plant with yellow peas and a
Sonbull [250]

Answer:

False

Explanation:

Mendel realized that the F2 had a phenotypic ratio 3:1, meaning 3/4 = 75% were yellow and 1/4 = 25% green.

Mendel observed that the F1 expressed only one of the alternative variants (in this case, only yellow seeds appeared), while the other variant (green) disappeared. Mendel named dominant the expressed variant. Mendel allowed auto pollination and observed that in the second generation, F2, the other disappeared variant reappeared. Both alternative variants were present in the F2. Mendel named recessive the second alternative variant.

Mendel thought that hereditary traits determined by discrete factors were the possible explication for these phenotypes. These factors should have been present in the F1 in pairs. One of them came from one parental plant, and the other factor came from the other plant. These factors then separated again when sex cells were produced, giving two types of gametes, each with only one factor.

Mendel concluded that each individual (plant) has a pair of factors (alleles), one for each trait (yellow and green) and that the pair separates (segregates) during the formation of the gametes. This conclusion is known as the segregation principle (First Mendels´ Low).

4 0
2 years ago
Which change of state of water releases heat energy?
Anna35 [415]
The gas state. When water boils, it releases a gas we know as steam.
3 0
3 years ago
Which one of the following accurately describes the reactions within photosynthesis?
zvonat [6]
It's probably C. Because it makes the most sense and photosynthesis doesn't make ATP and if you don't think C. Is the answer then put D.
7 0
3 years ago
Read 2 more answers
Follicle stimulating hormone (FSH) is secreted by which gland?
Slav-nsk [51]
FSH is secreted by the Pituitary Gland... upon GNRH being secreted by the Hypothalamus. 
5 0
3 years ago
Read 2 more answers
As a
AURORKA [14]

Answer:

H. Haploid

Explanation:

A cell that contains two of each chromosome, or 2n, is a diploid.  If a cell has half of those chromosomes, or just n, it is a haploid.

7 0
3 years ago
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