{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

img018 - 21 It is perhaps surprising to learn‘that is by...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 21. It is perhaps surprising to learn‘that is by far the most common form of phyllotaxy. But when one sees how it maximizes , it makes sense. a. alternate / shading of older, more mature leaves spiral / light capture by actively photosynthesizing leaves. or alternative / appearance of“ runways’ ’for pollinators. df' opposite / ability of the plant to avoid being blown over. 9. spiral / attractiveness and therefore marketability of flowers. 22.8ix-inch long, thin trichomes on some cactus species is an example of “evolutionary tinkering” because a. each plant adjusts its trichomes’ length in response to sunlight. trichomes served another purpose for these plants’ ancestors. ’6 there’s a surplus of solar energy in the desert, so cacti experiment. 41/ cactus breeders thought there’d be a market for weird hairy plants. fie." there’s no rational reason why plants would grow such things. 23.Which of the following describes the correct organization of the chloroplast, where “<” indicates “is inside of’ ? a./stroma < thylakoid lumen < thylakoid membrane b. thylakoid membrane < envelope < stroma c/stroma < granum < chloroplast dz granum < cytoplasm < stroma /. /’thylakoid lumen < granum < stroma 24.The morphologies of palisade mesophyll and spongy mesophyll have evolved to maximize r,espectively. be light penetration and gas exchange surface area and cell volume gas exchange and surface area cell volume and light penetration surface area and gas exchange Qua; ...
View Full Document

{[ snackBarMessage ]}