Which is abiotic

Tree sap

Insects

Sunlight

Wood table

Women have sex chromosomes XX, and men have sex chromosomes XY. Which of a woman's grandparents could not be the source of any of the genes on either of her X chromosomes?

If humans had only one gene for eye color with two alleles (B and b) and it was expressed as complete dominance, how many different colors of eye would be possible from the choices below?

When do bacteria need genetic information?

How are liviving things different from non living things

Difference between scavenger and carnivore?

This is a genetic mutation caused by the insertion or deletion of one or more nucleotides that changes the amino acid sequence from the site of the mutation forward.

WhAt is sceince in english

The development of some organisms, like sea turtles, are affected by the temperature at which the eggs are incubated. Typically, cooler temperatures produce more males, and warmer temperatures produce more females.

What is one function of the pyloric sphincter? a. secretes hormones into the stomach b. prevents the contents of the small intestine from backing up into the stomach c. secretes acid into the stomach d.

What are some examples of how environmental factors affect genetic variation and influence natural selection