Choose the one most appropriate answer for each.
A. irregular flower
B. composite flower
C. ovary
D. endosperm
E. stamen
F. petal
G. pollen grain
H. carpel
I. pistil
J. anther
K. megaspore
L. sepal
M. stigma
N. pollination
O. ovule
A. radially asymmetric flower
B. an inflorescence of many flowers clustered on a single head, such as in a daisy
C. develops into a fruit at maturity
D. created from a triploid cell that is produced when one sperm cell fuses with the central cell
E. male reproductive organ in angiosperms
F. modified leaf with pigments and fragrance-producing cells
G. immature male gametophyte
H. female reproductive organ
I. common name for a fused compound of multiple female reproductive organs
J. contains pollen sacs
K. forms in an ovule and gives rise to a female gametophyte
L. outermost whorl of leaf parts on a receptacle; generally green, but sometimes pigmented
M. region of carpel that receives pollen grains
N. arrival of pollen on a receptive stigma
O. forms a seed at maturity
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The term ‘coral bleaching' refers to:
a. the loss of a protistan symbiont by a reef-building coral b. the growth of new cnidarians within a reef c. the color change in coral reefs as they become mature d. an invasion of a coral reef by a colorless protistan as opposed to a green, photosynthetic one e. the loss of the calcium carbonate skeleton of cnidarian polyps
The fossilized remains of two different species are found and scientists are interested in determining the evolutionary relationship of the two species. Which of the following could be used to determine the relatedness?
A. vestigial structures B. biogeography C. homologous structures D. All of the choices could be examined to determine relatedness.
You are the lucky student of a wacky professor who develops a time machine. He asks if you will test it with him. You get in and there is an immediate glitch–the date readout fails so that when you land you are not sure what era you are in
Your professor begins to panic, but you see something that tells you are in the Cenozoic era. Which of the following could it be? A) a rabbit eating a daisy B) a water lily floating in a pond C) masses of green ferns with dragonflies hovering above them D) a bee pollinating a flower
In a eukaryotic cell that is undergoing cell division, what will become a new chromosome?
A) A locus B) A centromere C) A chromatid D) A telomere