Answer:
Senior mothers are also under pressure to share food with their sons, so that they're able to reproduce as well. It also makes sense for these mothers to assist their sons because as the mothers grow older, they are increasingly related to whales in other, neighboring pods via their sons' calves.
A parasite invades the species and causes its population to decline because a biotic factor is a living factor that affects a species
During evaporation the sun heats a large body of water causing water vapor. What vapor is a gas. Evaporation is also apart of the water cycle, which evaporation in an important tool in the water cycle.
Remember this:
- When water is heated it turns into a gas.
-When water gets to 0°c water freezes.
-When ice is heated, it turns into a liquid.
prokaryotic cells do not have a nucleus.