What is thought to be true about the three domains of living things?
a. they diverged from a common ancestor fairly recently
b. they diverged from a common ancestor before the evolution of the main groups of eukaryotes
c. they did not have a common ancestor
d. Domains Bacteria and Archcaea evolved after the main groups of eukaryotes
Answer: b. they diverged from a common ancestor before the evolution of the main groups of eukaryotes
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_____ coordinates complex motor tasks _____ involved in long-term memory _____ controls breathing and swallowing _____ controls balance _____ central relay center for sensory information What will be an ideal response?
The following are all main points of the article Seaweeds and Medicine, except:
a. Seaweeds have been used for thousands of years for therapeutic purposes. b. Vitamin C, iodine, and agar are substances found in seaweeds. c. Phycocolloids are used in the pharmaceutical and biomedical industries. d. It is extremely expensive to extract useful substances from seaweeds.
Negatively charged particles in the soil are referred to as
A) mollisol. B) entisol. C) cations. D) colloids.
Which organelle can be likened to a post office?
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