Sponges reproduce

a. sexually in a way favoring cross-fertilization.

b. sexually in a way favoring self-fertilization.

c. asexually with sperm only.

d. none of the above

What two diseases are spread by insects and caused by protists, and what protist caused each disease?

How would pollution of oceans affect the fishing industry?

What problem do Chinese cities suffer from? A. lower life expectancy than rural areas B. lower literacy rates than rural areas C. too many hydroelectric plants D. air pollution

What is the smallest living component within the biological organization pyramid

What is a renewable resource and a non renewable resource?

1. What is a reproductive process in which a cell's genetic information is duplicated and then divided to produce a single identical daughter cell from an outgrowth of a larger parent cell? A. production of spores B. budding C. binary fission D.

True or false? biologists studied the effects of forest fragmentation by calculating the difference between the amount of plant biomass in the edges of forest fragments and the interiors of unfragmented forest.

This is an organ in the digestive system which transports waste out of the body and absorbs water from the waste before it leaves the body.

Which two actioms happens when bonds in ATP moecules are broken

Explain how inherited cancer alleles can lead to a predisposition to certain cancers.