Which of these animals has a heart with only two chambers?
A) Hummingbird
B) Cat
C) Human
D) Goldfish
E) Bullfrog
D
Biology & Microbiology
You might also like to view...
The zona pellucida is
A) a protective layer around the secondary oocyte. B) a protective layer around the sperm. C) a bump on the head of a sperm that contains enzymes. D) the biggest constriction of a chromosome.
Biology & Microbiology
Mushrooms are a type of which of the following?
?A. conidia ?B. ascus ?C. polar tubule ??D. basidiocarp
Biology & Microbiology
In addition to a vertebral column, all vertebrates have
A. scales. B. gills. C. an open circulatory system. D. a tunic. E. a distinctive head or skull.
Biology & Microbiology
Which dissolved gas cannot be transported by hemoglobin?
A. Nitric acid (NO) B. Oxygen (O2) C. Nitrogen (N2) D. Carbon dioxide (CO2) E. Carbon monoxide (CO)
Biology & Microbiology