What is one reason some leaves are spiny, or needle-shaped? A. to increase the rate of formation of food in leaves B. to reduce water loss from leaves in dry climate C. to store food in dry climates?

How does the law of segregation relate to genetic diversity?

If an individual has the genotype Dd, what alleles can it pass on to its offspring? A. Only d B. Neither B nor b C. Either Dord D. Only D

What were your controls for this experiment? what did they demonstrate? why was saliva included in this experiment?

What is made of a central star around which various other non-star objects orbit? A) planetary system B) a nebula C) a galaxy D) black hole

What is a main advantage of ectothermy? A Option A: prevents frostbite since blood flow will not be shunted from extremities B Option B: allows for hibernation during cold periods C Option C: will move slower in the cold D Option D: less calories

Define photosynthesis

According to the principal of dominance, if a recessive gene for tallness is paired with another recessive gene for tallness, the organism will be tall may be tall or short will be short

How does the immune system differentiate a pathogen from the body cells?

The nurse is providing care to a child with kawasaki disease. what does the nurse include in the child's plan of care? select all that apply.

Which of the following statements are true? a. Our stomachs are about as acidic as our blood is basic. b. Our stomachs are about as basic as our blood is acidic. c. Our stomachs are far more acidic than our blood is basic d.