Would you expect a population in which most members survive for a long time to produce few, or many, offspring?
Fill in the blank(s) with the appropriate word(s).
Evolutionarily, it might be more advantageous to produce as many offspring as possible. Ecologically it is more advantageous to have fewer offspring. So, in this population, there would be few offspring. Under which kinds of environmental conditions would this type of survivorship pattern be best adapted? In an environment with lots of food or lots of predators, more offspring would be best. In an environment that has scarce supplies of food and few predators, less offspring would be best.
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What is it called when a demand for a new lifestyle leads to many speciation events from one founder species?
a. sympatric speciation b. allopatric speciation c. adaptive radiation d. convergent radiation
All chordates have a notochord, a postanal tail, segmental body wall muscles, a dorsal, hollow nerve cord, and a perforated pharynx
1.True 2.False
Surface currents in the ocean typically
A) flow most strongly from west to east in equatorial regions. B) are colder on the western side of continents. C) flow counterclockwise in gyres in the Northern Hemisphere. D) flow unimpeded from east to west just north of Antarctica.
During electron transport phosphorylation,
which ions accumulate in the outer compartment of the mitochondria?
a. calcium b. hydrogen c. oxygen d. phosphorus e. sodium