Answer:
chromosomes, the X and the Y.
Explanation:
Egg cells all contain an X chromosome, while sperm cells contain an X or Y chromosome. This arrangement means that it is the male that determines the sex of the offspring when fertilization occurs.
Clearly these are the structures of a plant cell
Answer:
Abiotic. The abiotic component of the ecosystem refers to the physical environment or the non-living factors.
Lakes.
Deserts.
Forests.
Ponds.
Gardens.
Oceans.
Grasslands.
Explanation:
Biotic Components of an Ecosystem.
Community Interactions.
Niche.
Niche and Biodiversity.
The key difference between age polyethism and reproductive division of labor in honey bees is their age and functions, younger bees work inside the honeycomb, they have several duties, such as feeding the larvae, cleaning, thermoregulate the inside and receiving the nectar from the older bees, through trophalaxy (mouth contact), those bees are in charge of the guard an cleaning of the outside, besides helping with the honeycomb ventilation.