What causes the most difference in air pressure?

a) differential heating

b) winds

c) differences

Natural selection is the process by which organisms inherit advantageous traits, and tend to reproduce more successfully than other organisms. a. True b. False

All members of this kingdom are lack chloroplasts

Which of the following is a genetic disorder of the integumentary system? A.) clubfoot B.) Huntington disease C.) cleft lips D.) thalassemia E.) neurofibromatosis

Which of these is an effect of human development of land? A. More land becomes available for preserves. B. Urban land is converted to wetlands. C. Biodiversity increases. D. Animal habitats become fragmented.

DNA is made of nucleotides which are composed of a. a protein group, a sugar group and a nitrogenous base. b. a phosphate group, a starch group and a nitrogenous base. c. a sugar group, an amino acid group and a nitrogenous base. d.

What is the purpose of a trophic pyramid?

A change in the natural sequence of bases in DNA structure is called a A) mutation. B) reconstruction. C) revolution. D) translation.

A rabbit is an example of a - - - while a hyena is an example of a - - - producer parasite herbivore carnivore host carnivore

Which organelle is not found in plant cells? A) vacuoles B) mitochondria C) chloroplast D) centrioles

Gina is driving her car down the street. She has a teddy bear sitting on the back seat. A dog runs in front of Gina's car, so she quickly applies the brakes.