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3 years ago

What is natural selection

Biology

1 answer:

Whitepunk [10]3 years ago

5 0

Answer:

the process whereby organisms better adapted to their environment tend to survive and produce more offspring. The theory of its action was first fully expounded by Charles Darwin and is now believed to be the main process that brings about evolution.

Explanation:

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The processing of mRNA into a protein strand is known as?

egoroff_w [7]

It should be translation.

6 0

3 years ago

If one year was one foot, how long would the Cretaceous be (65 million) in miles?

Harman [31]

If one year was a foot then 65 million years will be 65 million feet. 1 mile=5280 feet so.

65 million divided by 5280= 12310.6

So your answer would be 12,310 miles.

4 0

3 years ago

Considering the same population of cats as in Part A, what is the expected frequency of each genotype (TLTL, TLTS, TSTS ) based

zaharov [31]

Answer:

P = f(TLTL) = 0,16

H = f(TLTS) = 0,48

Q = f(TSTS) = 0,36

Explanation:

Hello!

The allele proportion of any locus defines the genetic constitution of a population. Its sum is 1 and its values can vary between 0 (absent allele) and 1 (fixed allele).

The calculation of allelic frequencies of a population is made taking into account that homozygotes have two identical alleles and heterozygotes have two different alleles.

In this case, let's say:

f(TL) = p

f(TS) = q

p + q = 1

Considering the genotypes TLTL, TLTS, TSTS, and the allele frequencies:

TL= 0,4

TS= 0,6

Genotypic frequency is the relative proportion of genotypes in a population for the locus in question, that is, the number of times the genotype appears in a population.

P = f(TLTL)

H = f(TLTS)

Q = f(TSTS)

Also P + H + Q = 1

And using the equation for Hardy-Weinberg equilibrium, the genotypic frequencies of equilibrium are given by the development of the binomial:

$p^{2} = f(TLTL)$

$2pq = f(TSTL)$

$q^{2} = f(TSTS)$

So, if the population is in balance:

$P = p^{2}$

$H = 2pq$

$Q = q^{2}$

Replacing the given values of allele frecuencies in each equiation you can calculate the expected frequency of each genotype for the next generation as:

$f(TLTL) = P = p^{2} = 0,4^{2} = 0,16$

$f(TLTS) = H = 2pq = 2*0,4*0,6 = 0,48$

$f(TSTS) = Q = q^{2} = 0,6^{2} = 0,36$

I hope you have a SUPER day!

6 0

3 years ago

A pine forest on the coast is destroyed by a tsunami. After the tsunami small plants began to grow followed by some small trees

SCORPION-xisa [38]

Answer:

Secondary succession has happened.

Explanation:

secondary succession is the ecological succession that occurs after the initial succession has been disrupted and some plants and animals still exist. It is usually faster than primary succession

6 0

3 years ago

All algae are______ heterotrophs autotrophs parasitic anaerobes

Marizza181 [45]

autotrophs Hope this helps. :)

3 0

3 years ago

Read 2 more answers