Biology, 14.11.2019 17:31 tiannacorreastamas
Alli and her classmates want to know which species of oak produces the acorns that squirrels prefer. which possible procedure is likely to produce the most reliable results?
a. work together to observe where one squirrel spends most of its time, and record which acorns it buries for one hour, repeating daily for two weeks.
b. dig up and identify each type of acorn buried under one tree at the end of each day for a three-week period.
c. divide up and observe squirrels in ten locations for two hours, then dig up and identify each type of acorn buried by squirrels, repeating daily for two weeks.
d. observe and record the number of squirrels that approach each species of tree in a specific location for one hour each day for two days.
Answers: 2
Biology, 22.06.2019 05:00
Cedric has a low fever and minor aches. yesterday, he went to the doctor for his booster shot and receive the flu shot. which best explains why he has this reaction?
Answers: 2
Biology, 22.06.2019 06:30
Which statement describes a way in which the digestive and excretory systems work together? a. the nephrons absorb nutrients from food going to the large intestine. b. the excretory system balances blood gases in the small intestine. c. the intestinal villi filter blood and send wastes to the bladder. d. the excretory system balances the salts and water obtained from digested food
Answers: 1
Biology, 22.06.2019 08:20
Which characteristics are typical of a human population in the postindustrial stage?
Answers: 3
Alli and her classmates want to know which species of oak produces the acorns that squirrels prefer....
Mathematics, 10.03.2020 16:58
Health, 10.03.2020 16:58
Mathematics, 10.03.2020 16:58
Biology, 10.03.2020 16:58