<p>@Facedownclap you were right about the eye-light question!
@college55 I believe the answer is E for the evolution question. But… don’t red algae have chloroplasts? I think the answer if B or C for the previous question…not sure…</p>
<p>NEXT QUESTION
6. Two worms in the same class must be of the same
a. order
b. phylum
c. genus
d. family
e. species</p>
<p>I’d like to say (B) because I’m pretty sure (and it’s not the best time for me right now as it’s really early in the morning) Phylum is the next step above class…</p>
<p>I don’t really have a book, other than the Cliffs one, so it’s just a general (relatively easy, I suppose) question:</p>
<p>Who came up with the Endosymbiotic Theory and what evidence is there for it?</p>
<p>I doubt the AP test would ask about who created it, but it’s always good to know.</p>
<p>I don’t know how created the theory (lol), but one piece of evidence that supports it is that mitochondria and chloroplasts have their own DNA.</p>
<p>Guys, it’s d. And I’m not even in AP Bio…</p>
<p>Ronaldo didn’t post a question so I’ll post one.</p>
<p>Which of the following is the last step leading up to a muscle contraction that occurs just before a myofibril contracts?</p>
<p>A. Tropomyosin exposes binding sites on actin.
B. ATP binds to myosin.
C. Sarcoplasmic reticulum releases Ca2+
D. ATP is converted to ADP + Pi
E. Action potential travels throughout T-tubules.</p>
<p>Hhmm ‘A’ I think</p>
<p>I don’t know the answer to the muscle one. But to keep this thread alive…
6. Which of the following organisms is mismatched with its trophic level?
a. algae-producer
b. Fungi-detritivore
c. phytoplankton- primary consumer
d. carnivorous fish larvae- secondary consumer
e. eagle- tertiary or quartenary consumer</p>
<p>c… Phytoplankton are primary producers </p>
<ol>
<li>Membranes are components of all of the following EXCEPT a
(A) Microtubule
(B) Nucleus
(C) Golgi apparatus
(D) Mitochondrion
(E) Lysosome</li>
</ol>
<p>A I think. They’re made of actin filaments iirc.</p>
<p>Which of the following has high levels of light on the forest floor.</p>
<p>A. Tropical rain forest
B. Tiaga
C. Tundra
D. Savanna
E. Temperate decidouos forest</p>
<p>correct EducationOD
ummmm, is it D</p>
<ol>
<li>Which of the following is primarily responsible for cell elongation, gravitropism, and apical dominance in plants?
(A) Auxin
(B) Gibberenin
(C) Cytokinin
(D) Phytochrome
(E) Ethylene</li>
</ol>
<p>A, Auxins I believe.
NEXT QUESTION
<p>taken from here: [Please</a> help me with these AP Bio questions?](<a href=“http://biology-talk.com/please-help-me-with-these-ap-bio-questions/2011/01/12]Please”>http://biology-talk.com/please-help-me-with-these-ap-bio-questions/2011/01/12)</p>
<p>I believe the answer is c) supply electrons in the light-dependent reactions</p>
<p>Which of the following ions is significantly involved in the opening and closing of the stomata?
(A) Calcium
(B) Nitrogen
(C) Potassium
(D) Magnesium
(E) Iron</p>
<p>@facedownclap actually, i think it’s E, because it says forest floor</p>
<p>Really, I was thought that rain forest floors were extremely dark. This site confirms my view.
[Layers</a> of a Rainforest](<a href=“http://www.srl.caltech.edu/personnel/krubal/rainforest/Edit560s6/www/whlayers.html]Layers”>http://www.srl.caltech.edu/personnel/krubal/rainforest/Edit560s6/www/whlayers.html)</p>
<p>Ronaldofan94 is it C
59. Many parasitic flatworms have an intermediate host. This indicates that the
(A) Flatworms cannot infect humans
(B) Larval flatworms infect one species, whereas adults infect another species
(C) Larval flatworms infect only juveniles of a species
(D) Flatworm adults are microscopic
(E) Flatworm larvae are parasitic on their parents</p>
<p>B because I googled it 
[url=<a href=“http://castlehs.com/users/johlsen/Platyhelminthes%20questions.htm]Platyhelminthes:[/url”>http://castlehs.com/users/johlsen/Platyhelminthes%20questions.htm]Platyhelminthes:[/url</a>]
10. In which of the following pairs do both animals undergo metamorphosis that includes a larval stage that looks quite different from the adult?
a. human, hydra
b. grasshopper, frog
c. sea star, frog
d. earthworm, lancelet
e. human, sea anemone</p>
<p>@Facedownclap</p>
<p>It is ‘C’. Good job.</p>
<p>@risubu
This is a guess, but is it B?</p>
<p>@risubu: I think it’s actually C. Am I right?</p>
<p>@risubu
It’s definitely C. Echinoderms become radially symmetrical as adults</p>
<p>^yup! that’s right! C is the answer.</p>
<p>NEXT QUESTION
7. Under a microscope, a piece of a mushroom would like most like:
a. jelly
b. tangle of string
c. grains of sugar or salt
d. a piece of glass
e. foam</p>