Biology, 13.08.2021 01:00 harding7807
Question 3
Scientists theorize that all life started with simple prokaryotic organisms. New species continue to evolve from existing
species, creating the variety of life we see today. The following diagram shows the basic process.
animalia
(eukaryotic
fungi
multicellular)
(eukaryotic,
unicellular,
multicellular)
plantae
(eukaryotic
protista
multicellular)
(eukaryotic,
unior
multicellular)
archaebacteria
(prokaryotic,
eubacteria
unicellular)
(prokaryotic
unicellular)
universal
ancestor
Based on this diagram, do you think that organisms of the same order will share a stronger evolutionary relationship than
organisms that share only the same phylum? Explain your reasoning using the results of your investigation.
B
I
U X
X
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А • А
Answers: 1
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Predict the results of a two base insertion or deletion in a strand of dna that codes for a protien, how does this differ from a three base insertion or deletion?
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What sentence best supports the statement that hormones are involved in the regulation of homeostasis? a. the hormone erythropoeitin increases the production of red blood cells when oxygen levels are low. b. the hormone oxytocin promotes labor contractions of the uterus during childbirth. c. the hormone melatonin induces sleep and its production is slowed by exposure to light. d. the hormone cortisol suppresses the immune system and is produced when the body is under stress.
Answers: 3
Question 3
Scientists theorize that all life started with simple prokaryotic organisms. New species...
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