A species that is no longer in existence would best be characterized as which of the following?

threatened

endangered

extinct

dinosaurs

How do lipids differ from carbohydrates? Select all that apply They are formed from different basic elements. They are not soluble in water. They release less energy. The hydrogen-oxygen ratio is different

John has not been feeling well. he is constantly tired. his blood pressure is low and at times his vision is blurred. what two symptoms does john have that are characteristic of diabetes (type 1 or 2)

Rational number between 7/3 and 9/4

Two advantages of using a nuclear power station rather than a coal fired power station to generate electricity

Connect: Give an example of reciprocal behavior from everyday life.

How many chromosomes do humans have? how many copies in normal cells? How many pairs? How many copies in sex cells?

How many times has blastopore fate changed over the course of evolution? -o times -1 time -2 times - multiple times

What is unique about the water near Antarctica? How does it drive global ocean circulation?

A physician examines a patient who complains of breathing problems. She finds fluctuations in the patient's blood pressure and heart rate. The physician thinks it's because of a brain injury. Which part of the brain is affected? A. Cerebellum B.

In natural selection what determines which color grey or green is advantageous