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sattari [20]
3 years ago
5

How do you clam and earthworm organs differ

Biology
1 answer:
-Dominant- [34]3 years ago
5 0

Answer:

The marine clamworm, Nereis, is carnivorous therefore its digestive system differs from that of the herbivorous earthworm, Lumbricus. The mouth and jaws are retractable (Figure 8, 9). If the jaws are retracted, cut along the midline of the pharynx and pull the jaws out with a pair of forceps.

Explanation:

hope it helps:>

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How is the embryological development of a vertebrate animal (frog or bird) similar to that of an echinoderm (starfish or sea cuc
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<span>Echinoderms (like starfish and sea cucumber) are deuterostomes, unlike most of the other multicellular animals which are protostomes. Their embryological development is similar to that of vertebrates (like frog and bird) in that they undergo radial cleavage and their anus is formed before the mouth.</span>

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What is oxygen used for? Oxygen is released into the air for us to breath
kow [346]

after we breath in oxygen it is transferred to red blood cells. So it is important for cellular respiration.

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4 years ago
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The axial skeleton provides an extensive surface area for the attachment of muscles that __________.
garik1379 [7]

The question is incomplete as it does not have the options which are:

  • Adjusts the positions of the head, the neck, and the trunk
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Answer:

All of the above

Explanation:

The axial skeleton is the group of bones which forms the centre of the skeletal system. The central portion of the skeletal system includes bones of the skull, bones associated with the skull, the thorax, and the vertebral column (spinal cord).

There are 80 axial skeletal bones out of which 22 bones are present in the skull, 7 attached to the skull, 25 in a thoracic cage and 26 in the vertebral column.

The axial skeleton help maintains the position of the appendicular skeleton, maintain the posture of the body by maintaining the posture of the neck, head and trunk and also help in the respiratory movements.

Thus, all of the above is correct.

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What part of the arm is doing the most work when you loft a weight
Murljashka [212]

Answer:

Bicep

Explanation:

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In at least 200 words explain how DNA replicates
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Answer: Replication is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules. Replication occurs in three major steps: the opening of the double helix and separation of the DNA strands, the priming of the template strand, and the assembly of the new DNA segment. During separation, the two strands of the DNA double helix uncoil at a specific location called the origin. Several enzymes and proteins then work together to prepare, or prime, the strands for duplication. Finally, a special enzyme called DNA polymerase organizes the assembly of the new DNA strands. The following description of this three-stage process applies generally to all cells, but specific variations within the process may occur depending on organism and cell type.

~i hope this helps :)

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3 years ago
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