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UkoKoshka [18]
3 years ago
7

Which best describes a bird’s role as it eats seeds?

Biology
1 answer:
DedPeter [7]3 years ago
6 0
They use their beaks and they push down really hard to stick it 
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The extinction rate of terrestrial and freshwater species is currently higher than the extinction rate of marine species. What i
FinnZ [79.3K]

Answer:

The answer is A. Human activities have a greater impact on terrestrial and freshwater ecosystems.

Explanation:

7 0
2 years ago
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In a population with two alleles, B and b, the allele frequency of B=0.59. What would be the frequency of the heterozygotes if t
Levart [38]

Answer:

0.483

Explanation:

The given population is in Hardy-Weinberg equilibrium. If the gene has two alleles, the sum total of the frequencies of these two alleles will be one.  

Therefore, the total of the frequency of allele B and frequency of allele b will be 1. f(B) + f(b)=1

If the frequency of allele "B" is 0.59, then the frequency of allele "b" will be=1-0.59= 0.41

The frequency of heterozygous genotype in the population= 2pq

p= frequency of the dominant allele

q= frequency of the recessive allele

So, 2pq= 2 x 0.59 x 0.41 = 0.483

6 0
3 years ago
What is the name of the macromolecules that makes up DNA? A. Nucleic acids B. Fatty acids C. Disaccharides D. Carbohydrates
Juliette [100K]
Te correct answer is A. Nucleic acids
5 0
3 years ago
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A metal body of mass 81 g occupies a volume of 30 cm3. Identify the metal.
Cerrena [4.2K]

Answer:

Aluminum

Explanation:

The density of Aluminum is 2.7 g/cm3

We know the volume and mass of the unknown metal, as density is mass/volume:  81g/30cm3 = 2.7 g/cm3 which is the density of Aluminum :)

8 0
3 years ago
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Need help with this as soon as possible
NeX [460]

Answer:

1) What kind of organisms have this organelle?

->eukaryotic

2)What is the name of the organelle?

->mitochondria

3)Reactants

->oxygen, glucose

4)Products

->carbon dioxide, water, ATP

5)Energy source

->glucose

hope this helps :)

6 0
2 years ago
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