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jolli1 [7]
3 years ago
15

Why is it said that the earthworm has a closed circulatory system?

Biology
1 answer:
Ratling [72]3 years ago
7 0
The earthworm has a closed circulatory system. An earthwormcirculates blood exclusively through vessels. There are three main vessels that supply the blood to organs within the earthworm. These vessels are the aortic arches, dorsal blood vessels, and ventral blood vessel
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In human pedigree if a symbol is fully filled what does it represent?
Ronch [10]

Answer:

See the answer below

Explanation:

<em>If a symbol is fully filled in a human pedigree, it means that the individual represented by the symbol is affected by the trait whose inheritance is being illustrated by the pedigree.</em>

The human pedigree generally represents a symbolic illustration of how a particular trait is inherited across generations in a particular family. It shows the relationship between the members of a family and how the trait is passed down each generation either in a silent or expressive form.

Individuals within a human pedigree are represented with symbols and <u>those affected by the trait in question are completely shaded</u>. <u>Those carrying the trait in silent form are half-shaded while those that do not have traces of the trait at all are left completely unshaded.</u>

8 0
3 years ago
Ocean water is sinking at the North Atlantic Buoy Station. What happens when water of a high density sinks?
svp [43]

<u>Answer:</u>

<em>Ocean water is sinking at the North Atlantic Buoy Station the given things have occurred.</em>  

<u>Explanation:</u>

The way of thermohaline course starts at high scopes, where cold seawater sinks due to its generally high thickness.  

In the Northern Hemisphere, profound sinking to 2000-3000 meters happens just in the North Atlantic, not in the North Pacific on the grounds that the waters of the North Pacific are freezing and not as salty as the waters of the North Atlantic.  

In this way, Earth's profound sea bowls are loaded up with waters from the northern North Atlantic and those that sink close to Antarctica.

6 0
3 years ago
Read 2 more answers
The domain _____ contains all eukaryotic kingdoms
SIZIF [17.4K]
Should be Eukarya, I think
8 0
3 years ago
The spinal cord is like an information highway that connects the _____ nervous system to the brain.
xxTIMURxx [149]

Answer:

Peripheral

Explanation:

The nervous system is divided into the central nervous system (CNS) & peripheral nervous system (PNS). The brain and the spinal cord comprise the central nervous system. The peripheral nervous system serves the rest of the body and they branch from the spinal cord. Ii is in the peripheral nervous system that you'll find motor and sensory neurons. The sensory neurons take information to the CNS to be processed. After processing information, the CNS sends back information through the motor neuron of the PNS indicating which action to be taken based on the ‘input’ information.

8 0
3 years ago
What cellular processes happen during mitosis?
Sedbober [7]

Answer:

the eukaryotic cell undergoes many phases to result in two daughter cells.

prophase

prometaphase

metaphase

anaphase

telophase

6 0
2 years ago
Read 2 more answers
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