In plants, low water availability favors the allocation of energy to the roots
Indicate whether the statement is true or false
TRUE
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Seed-producing plants first evolved ____
a. on land b. in freshwater c. in the ocean d. in estuaries e. from red algae ancestors.
What hypothesis were Ellison and Gotelli testing when they manipulated concentrations of nutrients available to pitcher plants?
A. Providing extra light would increase the need for nutrients. B. Cutting leaves would diminish the need for more nutrients. C. Providing extra nutrients would reduce the need for extra leaves. D. Providing extra nutrients would increase photosynthetic leaf surface area. E. Providing extra light would increase leaf production.
Answer the following questions true (T) or false (F)
1. Southern blotting is a technique that can be used to identify microbes that cannot be cultured. 2. The microbes residing on human skin are part of the human microbiome. 3. Scientists were able to increase the production of naturally occurring vitamin A in rice plants.
When ________ is blocked, some algae and cyanobacteria can carry out anoxygenic photosynthesis using compounds other than ________ as an electron source
a. PSI / H2 b. PSI / water c. PSII / H2 d. PSII / water