Water molecules move through narrow tubes that are called capillaries (or xylem).
The head contains the genetic material for fertilisation in a haploid nucleus. The acrosome in the head contains enzymes so that a sperm can penetrate an egg. The middle piece is packed with mitochondria to release energy needed to swim and fertilise the egg. The tail enables the sperm to swim.
I believe that during the second trimester, a pregnant woman need an additional 350 kcal per day. Dietary intake during pregnancy must provide energy that will ensure the full term delivery of a healthy newborn baby of adequate size and appropriate body composition. A pregnant women requires additional energy for the fetus and that explains the reason for the additional energy requirement.
Answer:
Protection
Explanation:
The plasma membrane, or the cell membrane, provides protection for a cell. It also provides a fixed environment inside the cell. And that membrane has several different functions. One is to transport nutrients into the cell and also to transport toxic substances out of the cell.
Answer:
c.
The rows of bushes
Explanation:
<em>The experimental unit in this experiment would be the rows of bushes in the field.</em>
<u>By definition, experimental units are considered physical entities that can randomly be assigned to varied treatment regimes during the course of a research.</u>
In this case, the entity that are given different treatment condition during the process of experimentation are the rows of berry bushes within one of the several fields. Half of the rows were covered with nets while the remaining half were left uncovered.
<em>The rows were given different treatments and hence, considered the experimental units in this particular experiment.</em>
The correct option is c.