To determine the role of mimicry in the behavior of the tephritid fly Zonosemata vittigera and the jumping spider Phidippus apacheanus, Greene and colleagues (1987 ) conducted carefully controlled experiments to correlate appearance and behaviors
with the deterrence of predation. What two factors were found important in preventing predation of the tephritid fly by the jumping spiders?
They determined that both wing-waving and wing markings are important deterrents to predation.
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Counting chambers are used for estimating the number of cells present in a liquid culture
Indicate whether the statement is true or false.
Evidence that exposure to song is important in white-crowned sparrows learning to sing includes which of the following?
A. They need to hear songs from other male white-crowned sparrows from 10–50 days after hatching. B. They need to hear songs from any sparrow from 10–50 days after hatching to sing properly. C. White-crowned sparrows raised in a laboratory cannot learn how to sing properly. D. They must imprint on their father to learn how to sing their song properly. E. They will not produce any song at all if they do not hear other birds sing.
Globin genes contain ________ segments that ultimately encode the amino acids of the protein and interspersed ________ sequences that do not contribute to encoding the protein product of the gene
Fill in the blank(s) with correct word
Which of the following is true of Domain Archaea compared to other groups?
A) They are the only anaerobes on Earth. B) None of their genes work like those found in eukaryotes. C) Their cell wall and membrane biochemistry is unique. D) Most of their genes are similar to those found in bacteria. Refer to the scenario below, and then answer the following question(s). As part of your field biology independent study, you visit a small lake with an extremely high salt concentration. Searching with nets and other sampling devices, you find no fish, plants, algae, or any visible signs of life in the lake. Still, you decide to take a few samples of the water back to the lab. You find the sample teeming with very small cells, hundreds of times smaller than a typical human cell. These cells have cell walls, which you analyze chemically and find they are not made of peptidoglycan or cellulose.