| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.73 |
| Score | 0% | 75% |
An endoskeleton (internal skeleton) is a charateristic of __________ animals, including humans.
sentient |
|
spiny |
|
vertebrate |
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arthropod |
An endoskeleton (internal skeleton) is a charateristic of vertebrate animals, including humans.
Which of blood component fights infection?
plasma |
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platelets |
|
red blood cells |
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white blood cells |
Blood is created in bone marrow and is made up of cells suspended in liquid plasma. Red blood cells carry oxygen, white blood cells fight infection, and platelets are cell fragments that allow blood to clot.
Which of the following is not a method of heat transfer?
radiation |
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conduction |
|
reflection |
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convection |
Heat is always transferred from warmer to cooler environments through conduction, convection, or radiation.
The most diverse kindgom of life is which of the following?
plants |
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protists |
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fungi |
|
animals |
Below domain, life is classified into six kingdoms: plants, animals, archaebacteria, eubacteria, and fungi. The last kingdom, protists, include all microscopic organisms that are not bacteria, animals, plants or fungi. (Archaebacteria and eubacteria are sometimes combined into a single kingdom, monera.)
This skeletal system is common in arthropods like insects, spiders, and crustaceans.
vertebrate |
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endoskeleton |
|
bone |
|
exoskeleton |
An exoskeleton (external skeleton) is common in arthropods like insects, spiders, and crustaceans.