subject
Biology, 11.10.2019 17:30 amandaaarmentaa

Unlike amphibians, reptiles-
a. have lungs to oxygenate blood.
b. have a closed circulation system in which blood circulates entirely within blood vessels.
c. have ventricles that are further divided to lessen mixing of oxygen-rich and oxygen-poor blood.
d. use single-loop circulatory system

ansver
Answers: 1

Another question on Biology

question
Biology, 21.06.2019 16:30
Which of these statements best describes the st. lawrence seaway? the st. lawrence seaway connects the st. lawrence river with the arctic ocean. the st. lawrence seaway provides an important trading route between the u.s. and mexico. the st. lawrence seaway provides an important trading route for the u.s, but has little value for canada. the st. lawrence seaway connects the great lakes, the st. lawrence river, and the atlantic ocean.
Answers: 1
question
Biology, 22.06.2019 03:30
Students in biology are studying the macromolecules of life. they used a calorimeter to determine the calories in various types of food. once the lab was completed, the students ate the left over food samples. monica commented that in just 6 or 7 "chews" of the saltine, it was gone; nothing but a sticky paste in her mouth. elaborate on what happened chemically while chewing the saltine. include the macromolecules present.
Answers: 1
question
Biology, 22.06.2019 06:30
Genetic disorders can result when sister chromatids fail to seperate properly. during what phase is this problem most likely to occur?
Answers: 3
question
Biology, 22.06.2019 07:30
The illustration shown is an ovum, a female sex cell. a mutation in this cell may be passed to the woman’s offspring during a) birth. b) mitosis. c) dna replication. d) sexual reproduction
Answers: 1
You know the right answer?
Unlike amphibians, reptiles-
a. have lungs to oxygenate blood.
b. have a closed circulat...
Questions
Questions on the website: 13722367