A small seed may grow into a very large tree. As the tree grows, it adds a great deal of mass. Where does most of this mass come from?
A) air
B) soil
C) water
D) sunlight
Answer: A
You might also like to view...
If a scientist needs to put new DNA into a bacterium, she must _____ the bacterium
A) transform B) ligate C) make a library of the genes of D) make a cDNA library of E) make a vector of
Mantled howler monkeys have been found to obtain most of their food from relatively rare trees, even though finding these trees takes much longer than finding common trees. Nutritional analyses of both rare and common trees found that the rare trees tended to be higher in protein and water, while the common trees tended to be higher in crude fiber and plant secondary compounds. What process would maintain this behavior in mantled howler monkey populations?
A. habituation B. natural selection C. imprinting D. visual communication E. sexual selection
If an organism has the same life strategy as a maple tree, the synaptonemal complex will be observed
a. only in alternating generations. b. in each generation. c. only in a unicellular haploid phase. d. only in a multicellular haploid phase. e. only in gametophyte.
A student observes a researcher streaking a plate numerous times, flaming the loop between streaks. The researcher is likely using the ______ method to isolate microorganisms.
Fill in the blank(s) with the appropriate word(s).