Perhaps the most important single environmental factor responsible for flower formation is:
A. appropriate weather
B. appropriate temperature
C. adequate water
D. soil type
E. day length
E. day length
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The word evolution simply means ______________.
a. Unchanging b. Change over time c. Immediate change d. all the above
The endosperm of a plant
a. is the food supply for the new sporophyte plant. b. is composed of haploid tissue. c. protects the young embryo within a seed. d. provides a connection between the ovary of a flower and a developing seed. e. produces sperm cells
Which of the following is an example of Scala Naturae?
a. Darwin's ladder-like understand of nature from the most complex to simplest b. Darwin's ladder-like understand of nature from simplest to the most complex c. Aristotle's ladder-like understand of nature from the most complex to simplest d. Aristotle's ladder-like understand of nature from simplest to the most complex
What hazardous material do electronics contin, making them important to recycle properly?
A- uranium B- aluminum c- carbon D- Mercury E- Lead