Biology, 26.02.2020 04:18, PONBallfordM89
A scientist observes that when she opens the back door of her house to let her cat out, the songs of a certain species of bird abruptly change. She wants to follow up on her observations with an informal experiment. Which of the following is the best hypothesis for explaining the birds’ song changes?A. The bird species switches from song to warning call whenever it sees a potential predator. B. The bird species has a variety of songs that it sings, regardless o what is happening in its environment. C. The scientist is mistaken and the songs do not change. D. The bird species switches from song to warning call whenever it sees a potential predator.
Answers: 2
Biology, 21.06.2019 19:00, TH3L0N3W0LF
Consider the diagram below, which represents components of the biosphere. what do the two arrows in the diagram most likely represent? a. radiation b. photosynthesis c. cellular respiration d. energy conversions will give to anyone who answers quickly
Answers: 1
Biology, 22.06.2019 00:10, haileysolis5
Which way do the nitrogenous bases in dna pair up? a. a and g; t and c b. a and c; t and g c. a and t; g and c d. a and a; t and t; g and g; c and c
Answers: 2
Biology, 22.06.2019 03:30, DisneyGirl11
Which of the following is an effect of the uneven heating of the earth by the sun? a sea breeze a land breeze a convection current all of the above
Answers: 2
A scientist observes that when she opens the back door of her house to let her cat out, the songs of...
Mathematics, 14.04.2020 17:59