Biology, 24.12.2019 09:31 galaxychild101
During an experiment, a scientist observed prokaryotes that lived near volcanic vents deep in the ocean. the scientist most likely observed
a) photoautotrophs
b) chemoautotrophs
c) heterotrophs
d) photoheterotrophs
what might people do to prevent the devolopment of more superbugs?
a) they should use antibotics only when nessary
b) they should devolop stronger antibotics and use them often
c) they should use stronger disinfectants
d) they should not get vaccinated
living on land required that plants
a) evolve photosynthetic pigments
b) conserve water
c) exchange gases
d) have cell walls
unlike lytic viruses, lysogenic viruses do not
a) inject their genetic meterial unto the host cell
b) enter the lytic cycle
c) lyse the host cell right away
d) infect host cells
in which of the following environments are green algae not found?
a) salt water
b) fresh water
c) moist areas on land
d) dry areas on land
what structure forms during angiosperm fertilization but does not form during fertillization amoung other types of plants?
a) a haploid egg
b) a diploid zygote
c) a haploid sperm egg
d) a triploid cell
because bryophytes do not have vascular tissue, they
a) obtain all their water from the surrounding air
b) have true roots, stems, and leafs
c) show alternation of generations
d) grow close to the ground
Answers: 1
Biology, 21.06.2019 19:00
The following image is of a diatom. it lives in water and gets food from photosynthesis. it is encased in a hard shell made of something similar to glass or sand . a diatom is a(n) because it has a) multi-celled organism; specialized parts. b) vertebrate; a skeleton. c) insect; an exoskeleton. d) single-called organism; only one cell.
Answers: 3
Biology, 21.06.2019 23:00
Rue or false siblings look simila rbecause they each have some traits of their parents.
Answers: 2
Biology, 22.06.2019 01:00
The picture shows a fishing technique called trawling. how might trawling affect marine biodiversity
Answers: 1
Biology, 22.06.2019 01:40
Elephants in the savanna regions of africa dig holes in dried up river beds to reach water lying just below the surface. these holes provide drinking water for other animals as well. so, without the elephants, many animals might otherwise die from lack of water during the dry season. the location in which the elephants live is an example of a/n and the role they play in creating water holes is an example of a a) ecosystem; habitat b) community; niche c) habitat; niche d) niche; habitat
Answers: 1
During an experiment, a scientist observed prokaryotes that lived near volcanic vents deep in the oc...
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