A fossil bone is tested, and no c-14 is found. What can be said about the fossil's age?

A. it's 5,730 years old

B. it's less than 5,730

C. it's more than 5,730

Many animals can be categorized as either protostomes and deuterostomes based on certain features of their embryonic development.

True or false a community is a place where a particular population of a species live

What happens when a piece of dna is missing

Heterozygote advantage refers to the tendency for heterozygous individuals to have better fitness than homozygous individuals. This higher fitness results in less genetic variation in the population. a) trueb) false

Why are master control genes almost universal and common to different organisms?

A unique feature of dna is that it can duplicate itself through a process called

Flower color in a particular plant species is determined by one gene. The alleles of that gene can code for either red flowers or blue flowers. When a red plant and a blue plant are crossed, some of the offspring produce purple flowers.

Which is not an effect of smoking on the cardiovascular system? it contributes to atherosclerosis. it increases the blood's tendency to clot. it increases blood cholesterol. it increases the size of arteries and veins?

Mention the importance of pancreas

What substance is insoluble in water? quartz vinegar sugar salt