Which of the following statements about natural selection is true? a. natural selection causes variations to arise within a population. b. natural selection leads to increased likelihood of survival for certain individuals based on variation. the variation must come from outside the population. c. natural selection results in those individuals within a population who are best-adapted surviving and producing more offspring. d. all individuals within a population have an

Which of the following are the functions of the skeletal system? blood cell production in soft marrow tissues and mineral reserves largest organ of the body for defense and support vitamin d production and pumping blood through vessels voluntary movement and contractile movement

Where substance is produced during cellular respiration

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