The following questions refer to the figure below, which shows an outcrop of sedimentary rock whose strata are labeled A-D. If x indicates the fossils of two closely related species, neither of which is extinct, then their remains may be found in how many of these strata?

#Question id: 9274

#Section 5: Applied Ecology & Evolution

The different types of carotenoids found in photosynthetic organisms, the all carotenoids are

#Question id: 9276

#Section 5: Applied Ecology & Evolution

The carotenoid b-carotene, whose structure and absorption spectrum at,

#Question id: 9277

#Section 5: Applied Ecology & Evolution

The light energy absorbed by the carotenoids is transferred to chlorophyll for photosynthesis; because of this role they are called

#Question id: 9278

#Section 5: Applied Ecology & Evolution

Bilin pigments are open-chain tetrapyrroles found in antenna structures known as phycobilisomes that occur in

#Question id: 10163

#Section 5: Applied Ecology & Evolution

Some statements regarding C2, C3, C4 and CAM plants

a.) For Sucrose synthesis after C2 C3 and C4 cycle having different procedure

b.) C4  cycle reduces occurrence of C2 which is thermodynamically very expensive and toxic by increasing the assimilation of CO2 at high temperature almost at 35⁰ C

c.) C4 plant is generally found in near to equator  and they are more abundant than C3 plant

d.) In Dark when stomata are closed and CO2 not assimilated in the CAM plants

Which of the following statements from above combination is true?

#Question id: 9198

#Section 5: Applied Ecology & Evolution

Tropical forests are being converted to farm or pasture land at an alarming rate, and one major focus is on the biodiversity and the impact to these ecosystems. What is a direct benefit to humans that helps explain why these forests need to be preserved?