Explain why children with the same parents look different

In a species of salamander, there are two forms, red and yellow. as the yellow form becomes less common due to predation and the red form more common, the yellow form becomes less likely to be eaten and more likely to survive and reproduce.

Which of these animals are endangered? A. Dinosaurs B. Killer whales C. Mice D. Komodo dragon

Describe the process of desertification

Ian experienced pain in his leg after a fall, so he goes to the doctor. After an exam, the doctor explains to Ian that he has injured some tissue that connects his leg muscle to bone. What piece of tissue is the doctor describing? A. Cartilage B.

Jon has been experiencing increased thirst, increased hunger, and an increase in the frequency of urination. Jon's doctor suspects uncontrolled diabetes and orders a urinalysis.

What is the mass of an atom that has 4 protons, 5 neutrons and 4 electrons? 5 8 9 13

Which of the following is one role of RNA polymerase during transcription? to switch uracil with thymine on the exposed gene to build a molecule of mRNA to break down an already existing protein to produce a start sequence

What is diluvial water

What disease can occur when the pancreas is not working properly?

Which of these objects are malleable? Check all that apply. (A) tin fork and knife from a camping set (B) antique ceramic vase (C) steel pole fence post (D) marble sculpture (E) glass tabletop (F) copper coin