Answer:
A - “Fertilization requires two Haploid cells.
Explanation:
“Fertilization requires a haploid sperm and a haploid egg”.
Below are the statements matched to their correct term:1. The cell that begins the process of cell division-
PARENT CELL<span>
2. The first part of mitosis in which the chromosomes shorten and thicken, the nucleolus breaks down, and the nuclear envelope disintegrates -
PROPHASE3. Two rod-like strands replicated by a chromosome during interphase; becomes a daughter chromosome by the end of cell division-
SISTER CHROMATIDS
</span><span>
4. a system of fibers stretching from one end of a mitotic cell to the other -</span>
SPINDLE APPARATUS <span>
5. The phase of mitosis in which the daughter chromosomes have reached opposite ends of the cell, the nuclear envelope and nucleolus reform, and the process of cytokinesis begins -
TELOPHASE </span>
Answer:
D. The sympathetic system prepares the body for stress and activity and the parasympathetic system prepares the body for rest.
Explanation:
- Sympathetic and Parasympathetic nervous system are two divisions of autonomic nervous system.
- Acetylcholine is a common neurotransmitter released by preganglionic neurons of both systems.
- The post Ganglionic neurons of these two systems release different neurotransmitter.
- The sympathetic nervous system is concerned with 'fight and flight response'
- The parasympathetic nervous system is concerned with 'rest and digest ' response.
Answer:
Explanation:
Although, wave generators are generally deemed safe and very renewable, they have their own little short falls. Some of which are;
- They can cause thermal pollution of surrounding water bodies which can be very harmful to life around there.
- Wave generators might operate seasonally due to variations in wave at different times of the year.
- Disruption of the balance of the ecosystem.
- Noise pollution can result from working generators.
- Affect the tourist potential of a beach area.
Monohybrid cross
Mono refers to the one trait. If there were two traits it would be dihybrid.