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blsea [12.9K]
3 years ago
13

How did Darwin arrive at the idea about species variation

Biology
1 answer:
jeyben [28]3 years ago
5 0

Answer:

We can see some of the most important patterns Darwin noticed in distribution of organisms by looking at his observations of the Galápagos Islands off the coast of Ecuador. Darwin found that nearby islands in the Galápagos had similar but nonidentical species of finches living on them.

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In a hydra, digestion is completed _________.
OLEGan [10]

In a hydra, digestion is completed intracellularly.

Hence option (a) is correct.

Small, freshwater organisms of the phylum Cnidaria and class Hydrozoa are grouped under the genus Hydra. They are indigenous to temperate and tropical climates. 

The digestion takes place intracellularly in Hydra.

Because of their ability to regenerate and the fact that they don't appear to age or experience old age, hydra have drawn the attention of biologists.

Like most other cnidarians, hydras have a pretty straightforward digestive system.

They have a two-way digestive system, which differs from mammals in that food and waste enter and exit through the same aperture. A "blind gut" is the name for this configuration.

The center of the hydra's body is occupied by its digestive tract.

Learn more about Hydra here brainly.com/question/1808325

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7 0
1 year ago
A scientific law can be best described as
SpyIntel [72]
<span>an explanation of a specific relationship

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3 0
3 years ago
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What is the name given to cell division in prokaryotes?
RSB [31]
The name that is given to cell division in prokaryotes is C) Binary Fission.
6 0
3 years ago
A group of organisms of the same species that live in an area.
Rus_ich [418]
This is called a species
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3 years ago
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Which of the following pieces of evidence would best support the argument that humans are more evolutionarily related to fish th
Phoenix [80]

Answer:

The early stages of embryo development in fish and humans look strikingly similar while insects develop very differently compared to both fish and humans,

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It tells you that fish and humans have very similar embryo development (fetus development) while humans and insects develop very differently. Therefore, that supports the argument that humans are more like fish than insects.

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