| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.55 |
| Score | 0% | 71% |
The brain and spinal cord make up the __________ nervous system.
autonomic |
|
peripheral |
|
somatic |
|
central |
The nervous system consists of the brain and spinal cord (central nervous system) and the peripheral nervous system which is the network of nerve cells (neurons) that collect and distribute signals from the central nervous system throughout the body.
This skeletal system is common in arthropods like insects, spiders, and crustaceans.
vertebrate |
|
endoskeleton |
|
exoskeleton |
|
bone |
An exoskeleton (external skeleton) is common in arthropods like insects, spiders, and crustaceans.
Herbivores are __________ that subsist on producers like plants and fungus.
scavengers |
|
tertiary consumers |
|
secondary consumers |
|
primary consumers |
Primary consumers (herbivores) subsist on producers like plants and fungus. Examples are grasshoppers, cows, and plankton.
In cell biology, cytokinesis results in two separate:
chromosomes |
|
cells |
|
chromatids |
|
nuclei |
During cell division, the cytokinesis phase occurs when cytoplasm and cell membranes complete their separation resulting in two separate cells.
__________ and __________ pair to strengthen bones.
calcium, vitamin A |
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vitamin D, magnesium |
|
iron, calcium |
|
vitamin D, calcium |
Vitamin D helps calcium strengthen bones while also aiding muscle, nerve, and immune system function.