Which of the following was a successful seed-bearing plant that protected its developing seeds inside cones?
a. green algae
b. conifers
c. sea-dwelling plants
d. flowering plants
e. a plant with vascular tissues
Ans: b. conifers
You might also like to view...
What underlying infection should a physician immediately suspect when confronted with a patient with confirmed cryptococcal meningoencephalitis caused by Cryptococcus neoformans, and why?
A. Influenza infection. The 2 viruses are often transmitted together in respiratory droplets. B. HIV infection. People with normal immune systems generally fend off this fungal infection before it becomes clinically symptomatic. C. Varicella zoster virus (chicken pox). During the incubation period for chicken pox, and during its latency, C. neoformans has an increased ability to colonize the respiratory tract. D. Syphilis. This sexually-transmitted illness depletes CD4+ helper T cells that are necessary to directly attack the fungal infection of C. neoformans.
What structure does blood pass through from the right atrium to the right ventricle?
a. bicuspid valve b. inferior vena cava c. tricuspid valve d. semilunar valve
How does brood parasitism harm the hosts and benefit the parasite?
What will be an ideal response?
A consumer's production efficiency is ___________ the assimilation efficiency.
A) always less than B) always the same as C) always greater than D) unrelated t