A diploid spore-producing plant body that grows by mitotic cell divisions of a fertilized egg is a ________
a. megaspore
b. sporophyte
c. microspore
d. gametophyte
b
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We can accurately determine the age of a rock or fossil by measuring its ____
a. proton concentration b. electron concentration c. neutron concentration d. isotope concentration e. ion concentration
The concepts of transcription and translation have been said to form the ‘central dogma’ of molecular
biology. Is this a fitting description? What will be an ideal response?
Place each of the following terms with the correct statement.
coevolution defensive coloration camouflage secondary chemical compounds Batesian mimicry 1. Organisms that possess this property are poisonous, sting, or are otherwise harmful; commonly black, yellow, and red in color. 2. Is the process by which different kinds of organisms adjust to one another by genetic change over long periods of time. 3. It is a situation in which a palatable organism resembles another kind of organism that is distasteful or toxic. 4. Adaptation that enables organisms to blend into their environment thereby avoiding predation. 5. Chemical compounds produced by plants that are not components of major metabolic pathways.
What does the abbreviation LUCA stand for and what does it mean?
What will be an ideal response?