How many chromosomes do humans have?

Which statement best illustrates the concept of heritability? a. Savannah inherited the mutated BRCA1 gene, increasing her risk for certain cancers. b. Charlotte has a 50% chance of passing the gene for curly hair to her children. c.

What is one effect of immigration on a population living in an ecosystem? A. The population will increase B. The amount of food will increase C. The population will decrease D. More animals will leave the ecosystem

How can natural selection affect the songs that birds sing?

Cell division for both plants and animals is an identical process True or false

What would both parents' alleles need to look like for brown eyed parents to have a blue eyed child? * A. Both parents would have to be homozygous recessive B. Both parents would have to be homozygous dominant C.

Under a microscope smooth muscles are

Why has the usage of Natural Gas dropped throughout the years?

Which of the following terms defines how the individual organism allocates resources to growth, reproduction, and activities or structures related to survival? survivorship life history energy budget demography

What is the difference between animal and plant cell cytokiness?

Which kind of worm is segmented but lacks setae? an earthworm a marine worm a fluke a leech