| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 2.78 |
| Score | 0% | 56% |
Which of these is not a phase in cell division?
megaphase |
|
interphase |
|
cytokinesis |
|
anaphase |
Cell division is the process by which cells replicate genetic material in the nucleus and consists of several phases, beginning with interphase and ending with cytokinesis.
Respiration is the process by which __________ absorb oxygen and eliminate carbon dioxide.
blood cells |
|
bronchioles |
|
diaphragms |
|
capillaries |
The respiratory system manages respiration which is the process by which blood cells absorb oxygen and eliminate carbon dioxide.
Examples of primary consumers include:
rats |
|
cows |
|
fish |
|
all of these |
Primary consumers (herbivores) subsist on producers like plants and fungus. Examples are grasshoppers, cows, and plankton.
Which of the following describes the Earth's outer core?
liquid |
|
solid |
|
makes up most of the Earth's volume |
|
primarily solid |
The Earth's core is divided into the liquid outer core (1,430 miles or 2,300 km radius) and the solid inner core (745 miles or 1,200 km radius).
What part of the nervous system controls simple reflexes?
cerebrum |
|
autonomic |
|
medulla |
|
spinal cord |
The spinal cord connects the brain to the body's network of nerves. It carries impulses between all organs and the brain and controls simple reflexes.