Runners are modified stems that resemble roots and
are also known as
a. stolons.
b. rhizomes.
c. bulbs.
d. corms.
e. tubers.
Answer: a
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Spiders use which mouthparts for subduing prey?
a. mandibles b. pedipalps c. chelicerae d. maxillae e. labial palps
Herbivores occupy the trophic level of ________ consumer
Fill in the blank(s) with correct word
Dna:
a. is a polymer composed primarily of repeating five carbon sugars. b. contains four types of nitrogenous bases. c. consists of two strands connected by hydrogen bonds. d. A and C. e. All of the above.
Efforts to define the last universal common ancestor (LUCA) currently estimate 80–500 genes are shared by all known species. The lower value of 80 was estimated by determining the number of:
A. mRNAs species produced in LUCA. B. genes coded by LUCA genome. C. genes in simplest bacterial species. D. clearly identifiable orthologs in all organisms. E. genes required for processes that are found in all organisms.