Answer:
Both can make their own food using chloroplasts (autotroph), but euglena can also hunt for their food. Both also use flagella to move, but volvox move together in colonies.
Answer:
The percentage of space not occupied by solid matter in soil is called :
B. Porosity.
Explanation:
- Porosity is represented as the percentage of void in the soil.
- In simple words, it is the number of pores present in a soil.
- The porosity of soil is a factor that determines the quality and suitability of the soil for agriculture.
- A more porous soil does not hold lot of water and nutrient while a less porous soil retains water and nutrient.
- Thus neither a extremely porous nor a less porous soil is suitable for agriculture.
Answer:
Animals and Plants
Explanation:
Biotic means life. Animals and plants are living things. Therefore this is the correct answer.
Answer:
C
Explanation:
The experimental and control group differ by <u>only one factor</u> for a scientist, and that is the independent variable.
<em>A scientist will always try to isolate the effects that are due to a variable and keep every other variable constant. The variable that is manipulated in order to measure its effect is known as the independent variable. A control group usually forms the basis for measuring the effects of the independent variable. While the independent variable is varied in experimental groups, it kept at the zero level for the control group.</em>
The correct option is, therefore, C.