Which of the following is not true of reproduction in a pine tree? A) the polloen tube contains two diploid sperm. B) the zygote grows into the embryo.

Loggerhead sea turtles make nests on Georgia's barrier island beaches. Their numbers are quickly decreasing due to changes in their habitat. The graph above shows the number of nests from the north end of one beach to the south end.

What form of nitrogen do plants use. HINT remember (Ammo-I - ate)

Which of the following air pollution causes a reddish-brown haze in the sky? A) Sulfur B) Carbon Monoxide C) Nitrogen D) Carbon Dioxide

All of the chemical reactions within an organism is known as metabolism homeostasis O hereditary cells

At what angle relative to the velocity of a red blood cell should the transducer be held during Doppler ultrasound to most accurately determine blood velocity?

Suppose you remove your test cultures from the incubator and notice that one of them-a known fermenter-has a gas bubble in the Durham tube. Knowing that fermenters frequently produce gas, you ignore the bubble and proceed to the next step.

In peas, yellow seed color (y) is dominant to green seed color (y). which describes an organism that has nonidentical alleles for seed color? yy and has green seeds yy and has yellow seeds yy and has yellow seeds yy and has green seeds

What would you expect to happen if sea otters were removed from this food web? Check all that apply. The population of elephant seals would decrease. The population of kelp crabs would increase. The population of kelp would increase.

When blockages in the bloodstream read the Brian it can cause blank?

A gazelle is born with slightly longer legs which allow it to run faster than the other gazelles in the herd. This adaptation came may have come about because a. the gazelle needed to be able to run faster. b.