Which is the function of this structure?

to bring air into the body

to exchange oxygen with carbon dioxide

O to carry air to the lungs

O to release oxygen from the body

How does the structure of phylogeny charts explain homologous structures in organisms? New species branch off ancestral species, so two species can have similarities in body structure.

Na + is a and CI - is a

What does sexual reproduction and asexual reproduction have in common?

1. Mary, age 37, is pregnant for the first time, and her doctor has ordered a series of routine screening procedures. Mary's doctor probably will NOT order: A. Chorionic Villus Sampling. B. Amniocentesis. C. Sonogram. D. AFP assay.

Microfiber in clothing is also a form of plastic. true or false

When cells divide during meiosis homologous chromosomes are randomly distributed to daughter cells and different chromosomes segregate what of each other?

What do all wetlands have in common? A. They lack life-forms. B. They are highly polluted. C. They are swamps. D. They recycle nutrients into the soil.

Lysis of adhesions is performed on either the fallopian tubes or the: answer vagina uterus ovaries vulva

What is the relationship between DNA and chromosomes? a. Chromosomes are made out of DNA. b. DNA is made out of chromosomes. c. DNA and chromosomes are the same thing. d. DNA forces chromosome to mutate.

When scientists uncover a fossil, they record the precise location where the fossil was found. Does this location provide useful evidence for conclusions about the fossil and evolutionary processes? A. Yes.