©McGraw-Hill EducationBased on the phylogeny shown, we can conclude that species 2 is most closely related to species
A. 5.
B. 3.
C. 1.
D. 4.
E. 1 or 3 (can't tell).
Answer: B
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Select the choice that correctly associates the organ with its embryonic sources
A) anterior pituitary gland â€" mesoderm and endoderm B) thyroid gland â€" mesoderm and ectoderm C) adrenal gland â€" ectoderm and mesoderm D) skin â€" endoderm and mesoderm E) brain â€" mesoderm and endoderm
Sponges move huge volumes of water through their bodies every day
Although this serves the function of filter feeding for the organism, how might this also provide an "ecosystem" service (something that affects and/or benefits other organisms in their environment)? A. They can filter small poisonous fish out of the water that may harm other organisms. B. They create small currents in their microenvironment that help to circulate and clean water locally for other organisms. C. They produce large numbers of gametes that will become food for other sponges.d. Their body chambers serve as places where smaller organisms can live and be protected from certain predators.
Capillary waves are small
Indicate whether the statement is true or false
Pregnant women are usually advised to be vaccinated against influenza to protect themselves and the baby after birth. The mother will acquire ________ immunity from the vaccine while the baby will acquire ________ immunity
A) artificial passive; artificial passive B) artificial active; artificial passive C) artificial active; artificial active D) natural active; natural passive E) artificial active; natural passive