| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.13 |
| Score | 0% | 63% |
Which of the following represents the largest value?
1 ML |
|
1 mL |
|
1 cL |
|
1 kL |
Mega (M) is 106, kilo (k) is 103, centi (c) is 10-2, milli (m) is 10-3 so 1 ML represents the largest value.
A human heart consists of how many chambers?
2 |
|
8 |
|
1 |
|
4 |
The heart is the organ that drives the circulatory system. In humans, it consists of four chambers with two that collect blood called atria and two that pump blood called ventricles. The heart's valves prevent blood pumped out of the ventricles from flowing back into the heart.
In the classification of life, bacteria, archaea and eukaryota are which of the following?
kingdoms |
|
classes |
|
domains |
|
species |
The broadest classification of life splits all organisms into three groups called domains. The three domains of life are bacteria, archaea and eukaryota.
Which of the following is true about species groups?
an ecosystem is a biological population |
|
a population is made up of a group of communities |
|
a community is made up of a group of populations |
|
a biome is a made up of a group of biospheres |
A population is a group of organisms of the same species who live in the same area at the same time. A community is a group of populations living and interacting with each other in an area.
Which of these is not a phase in cell division?
interphase |
|
cytokinesis |
|
anaphase |
|
megaphase |
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.