In the fall of 2006, which of the following pollinators
started declining due to several factors?
a. butterflies
b. moths
c. bees
d. mosquitoes
e. night feeding bats
Answer: c
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Answer the following statement(s) true (T) or false (F)
1. Plants that sequester heavy metals utilize pressure-flow where they move toxins from the source (soil) to a sink (such as the leaves). 2. A magnesium deficiency would impact the light-independent reactions but not the light-dependent reaction of photosynthesis. 3. A parasitic plant without chlorophyll is likely to lack leaves. 4. A plant with 80 available ATP could produce 10 molecules of NH3. 5. Blocking the proton pumps in a root would result in a more negative membrane potential and an increase in K+ uptake.
The majority of ATP produced in cellular respiration is produced during
a. glycolysis. b. the Krebs cycle. c. the electron transport chain. d. fermentation. e. anaerobic processes.
Relaying a message from a membrane receptor to a molecule that performs a specific function within a cell occurs when
A) a signaling molecule binds to a protein that extends to the outside of the cell. B) a protein receptor on the interior of the membrane becomes bound by a signaling molecule. C) the extracellular matrix is moved to the inside of the cell. D) glycoproteins are recognized by other cells.
_______ influence the physical appearance of an organism
A. Morphological traits B. Physiological traits C. Behavioral traits