What is a good explanation for the '10% rule'?
A. 90% of the energy goes to the next level of the energy
pyramid.
B. 10% of the energy goes to the next level of the energy
pyramid.
C. Producers make up 90% of an ecosystem.

The negative change found inside the plasma membrane is created by potassium ions sodium ions hydrogen ions chlorine ions

Several bodily responses are described below. for each response, determine what caused the change in homeostasis. body starts to sweat breathing rate increases amount of saliva produced changes body starts to shiver

Kara has a plant that produces either purple or white flowers. she crosses a plant that has two recessive alleles for white flowers with a plant that has two dominant alleles for purple flowers. which result would be true of all of the offspring? a) all of the offspring would have two recessive alleles and white flowers. b) all of the offspring would have two dominant alleles and purple flowers. c) all of the offspring would have one recessive allele, one dominant allele, and white flowers. d) all of the offspring would have one recessive allele, one dominant allele, and purple flowers