Succession in abandoned farms (“old fields”) takes at least 100 years, and therefore is often reconstructed using ____
a. field experiments
b. laboratory experiments
c. historical records
d. evolutionary records
e. fossil records
ANSWER: c
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These organelles make lipids
a. ribosomes b. smooth endoplasmic reticula c. Golgi bodies d. lysosomes e. mitochondria
In 1880, Walther Flemming identified ________, threadlike bodies seen in dividing cells
Fill in the blank with correct word.
Draw a cladogram that for the following animals: sponges, cnidarians, flatworms, echinoderms, chordates, molluscs,
annelids, nematodes, and arthropods. On your cladogram indicate the points where the following evolved: 1) true tissues, 2) bilateral symmetry, 3) three germ layers, 4) segmentation, 5) protostome development, and 6) deuterostome development. What will be an ideal response?
These slender, or gracile, australopithecines are found later in the fossil record than A. afarensis
A) founder effect B) Homo Habilis C) Latin binomial D) Australopithecus Africanus E) convergent evolution F) Ardipithecus ramidus G) Neanderthals H) chimpanzees I) Homo erectus J) astragalus