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nikdorinn [45]
3 years ago
7

Why are density dependent factors based on population size?

Biology
1 answer:
qaws [65]3 years ago
3 0
Density-dependent factors include disease, competition, and predation. Density-dependant factors can have either a positive or a negative correlation to population size. With a positive relationship, these limiting factors increase with the size of the population and limit growth as population size increases.

Just got this from the internet but I hope it helps
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Liquid water is heated until it boils and becomes water gas. Which statement is true about the water?
Svetach [21]
That then right after heat it evaporates and then the water that is still in the bowl lowers because of the heat that sends out water molecules that just disappear. :)
8 0
4 years ago
In fruit flies, the gene for red eyes (R) is dominant and the gene for sepia eyes (r) is recessive. If two red-eyed heterozygous
IceJOKER [234]
Punnett square-
    R   r
R RR  Rr
r   Rr   rr
So RR, Rr, and rr are possible outcomes.
The answer is D.
4 0
3 years ago
During which processes does independent assortment of chromosomes occur?
charle [14.2K]

Answer:

meiosis I

Explanation:

Independent transmission is Mendel's second law. Like any Mendel law it is based or is about the transmission of alleles. Therefore, the law of independent transmission is based on the fact that when forming gametes, the alleles of one gene are segregated independently before the segregation of the alleles of another gene. This second law can not only be applied to the characters that Mendel analyzed, which were two genes with two possible alleles, this law is fulfilled with more than two characters. We must bear in mind that alleles are the different forms that a gene can present.

On the other hand we have the concept of meiosis I which is a type of cell division that in animals generally gives rise to gametes for sexual reproduction or sexual spores (in plants and fungi). That is to say in mitosis we find that there is only a cell division between homologous chromosomes, so that from a tetraploid number (4n) we pass to a diploid number (2n). While in meiosis we find that there are two cell divisions in which we go from a tetraploid number (4n) to a haploid number (n). This means that this is a reductive process. These haploid cells will join together to give rise to a diploid cell. Another important concept to consider in meiosis is the formation of chiasmas that are created between non-sister chromatids, thanks to this phenomenon the exchange of genetic material occurs.

5 0
4 years ago
James Watson and Francis Crick first discovered the structure of the DNA molecule in 1953. They discovered that the molecule has
umka2103 [35]

Answer:

A double helix

Explanation:

8 0
3 years ago
Smiling is a universal sign of happiness in all cultures. T/F
Zarrin [17]

Answer:

True

Explanation:

Smiling is considered as a universal sign of happiness. Smiling is something that makes a person happy internally. During birth babies smile. Some people smile even during sleep. It has been observed that when people are exposed to something they love or enjoy, they usually smile such as song, music, old photographs etc. Smiling is not a learned behaviour , it is considered as a sign of pleasure and openness across various cultures.  

Hence, the given statement is true

4 0
3 years ago
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