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Flauer [41]
3 years ago
15

The theory of evolution through natural selection unites biology in ways that are not usually evident to most peoplE) A non-biol

ogist might look at a lake and see ducks swimming and dragonflies flying. When a biologist looks at the lake, he/she probably would see
Biology
1 answer:
miv72 [106K]3 years ago
3 0

Answer:

Organisms better adapted to the environment  

Explanation:

According to the evolutionary theory proposed by Charles Darwin in "The Origin of Species" (1859), the fittest organisms are those that are better suited to the environment (i.e., have a higher fitness). These organisms have more chances to survive and reproduce, and thereby they have also more chances to leave their genes in the next generation. This process is the central concept of evolution, and it is called natural selection. In consequence, evolution produces phenotypic changes or 'adaptations' that are inherited by organisms over generations, and certain traits are lost during this process.

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Afina-wow [57]

The correct answer is: B. In sexual reproduction, individuals transmit half of their nuclear genes to each of their offspring.

The main difference between sexual and asexual reproduction is that in sexual reproduction genetic material from two parents is combined, while in asexual reproduction produced offspring is genetically identical to the one parent. So, advantage of sexual reproduction is that produced unique organisms contribute to genetic diversity (variation is formed). But, comparing to asexual reproduction, sexual reproduction requires more energy and lasts longer.

Asexual reproduction is found in lower organisms and can be in different forms: budding, vegetative reproduction, fragmentation, spore formation.

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3 years ago
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3 years ago
The drug colchicine inhibits the formation of spindle fibers during mitosis. If you treat dividing plant cells with colchicine,
vekshin1

Answer:

D

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Therefore, the final cell after mitosis will be a cell with double the number of chromosomes -because if you remember, during interphase, genetic material is replicated so each daughter cell can have its copy-. Due to quality control in the process of cell divisison, this cell will mostly undergo apoptosis, otherwise, it could develop into cancer.

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