Humans require organ systems to carry out life processes. Single-celled organisms do not have organ systems and yet they are able to carry out life processes. This is because

What are the benefits of water harvesting

How do you call an organisms that use the bodies of other organisms as a source of food energy and bodybuilding materials?

Why is the hudson river deeper on the new york side and shallower on the new jersey side?

Identify the animal below that is not in the same class as the others. select one of the options below as your answer: a. crayfish b. crabs c. scorpions d. lobsters c. scorpions should not be in the list, as its not aquatic animal

Application of fertilizers to aquatic ecosystems stimulates primary production just as it does in agricultural ecosystems. in aquatic ecosystems, the enhanced production can eventually lead to:

What part of the body has the highest percentage of fungal infections?

In pea plants, the tall-stem allele and the short-stem allele are different forms of the same what'

Why wouldnt there be any fresh water if water couldnt evaporate

In which of the three blood vessels does the blood flow the greatest?

What might appear in a plains region after heavy rain?