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CaHeK987 [17]
3 years ago
15

Which structure is involved in the reproduction of this plant?

Biology
1 answer:
Alenkasestr [34]3 years ago
4 0

The correct answer should be A. spores. Ferns don't have seeds and they reproduce using spores

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explain one reason why the population of marsh grasses might increase if the population of herons decrease
gogolik [260]
Herons are very large birds, and due to their intimidating size, they have very little predators. They have a varied diet and consume many different prey (fish, snakes, amphibians, and probably many other small animals). If the population of herons would decrease, the population of the other organisms living in the same environment would increase since they would have a greater chance at survival (since they are not being eaten by the herons)
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3 years ago
How does mutations result in genetic variation
zheka24 [161]
<span>Genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring)</span>
4 0
3 years ago
The inability of organisms to evolve anything that could be an advantage reflects _____.
sergey [27]

The inability of organisms to evolve anything that could be an advantage reflects "the limit of historical constraints".

<h3>What is the limit of historical constraints of evolution?</h3>

Although evolution is a powerful process that leads to

rapid changes in the characteristics of organisms, limits

to evolution arise from a lack of genetic variation, a

loss of well-adapted genotypes in populations due to

gene flow, trait interactions leading to trade-offs, and/

or the difficulty of evolving simultaneous changes in a

number of traits. This is the limit of historical constraints of evolution.

<h3>What are the factors that can cause an organism to evolve?</h3>

Four main factors lead to evolution:

(1) the potential for a species to diversify;

(2) heritable genetic variation among individuals within a species as a result of mutation and sexual reproduction;

(3) competition for scarce resources; and

(4) the spread of organisms that are better able to endure and procreate in the environment.

To learn  more about evolution visit:

brainly.com/question/12051929

#SPJ4

4 0
1 year ago
Question 12 Multiple Choice Worth 5 points)
seropon [69]

Answer:

Correct answer is A

Explanation:

Cell theory is a theory, not a law because the cell theory does not have enough support to become a law.

7 0
3 years ago
Read 2 more answers
Scientists can identify the gene mutated in a bacterial auxotroph by transforming the cells with a genomic library in which frag
Nimfa-mama [501]

Answer: false

Explanation: this can only be true if the genes in the genomic library fragments have been identified and if the mutation is an SNP and not an inversion or deletion or insertion, whether they were cloned into plasmids or not.

8 0
2 years ago
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