The experiment in the diagram demonstrates
geotropism
thigmotropism
phototropism
hydrotropism
Correct answer is A
Charles Darwin was one of the first to scientifically document that roots show positive gravitropism and stems show negative gravitropism. That is, roots grow in the direction of gravitational pull (i.e., downward) and stems grow in the opposite direction (i.e., upwards).
The breeding posture illustrated in the diagram is known as
mating
amplexus
courtship display
reproductive swimming
Correct answer is B
Amplexus defines the mating position of frogs and toads, in which the male clasps the female about the back.
In the diagram, it shows that the organisms are
hermaphrodite
viviparous
oviparous
ovoviviparous
Correct answer is C
Oviparous animals are those that reproduce by laying eggs.
They include animals like birds, most reptiles, most amphibians, and most fish.
In the diagram, the association illustrated demonstrates
parasitism
commensalism
saprophytism
mutualism
Correct answer is D
No explanation has been provided for this answer.
In the diagram, the importance of association to the fungus is that it obtains
a partner for reproduction
anchorage from the algea
oxgen and carbohydrates from the algae
water and mineral salts from the algae
Correct answer is C
No explanation has been provided for this answer.
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