Biology, 27.12.2019 23:31 reyamukhtar
During an investigation, sam observes the number of hummingbirds that come to his large bird feeder at different times of day. he fills the feeder to the top the first day and counts the number of birds at 6 a. m., noon, and 6 p. m. over ten days. what are the independent and dependent variables in sam’s investigation?
Answers: 2
Biology, 21.06.2019 18:30
How is the male reproductive system different from other body systems? it isn’t necessary to vital signs. it monitors other body systems, and adjusts if necessary. it transports items from one system to another. it is the only system that produces hormones in the male.
Answers: 3
Biology, 22.06.2019 05:30
One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing
Answers: 3
Biology, 22.06.2019 05:40
Glycogen is an energy-storage molecule in humans. a hormone that is called insulin controls the storage of glycogen in the liver. insulin is made up of amino acids.
Answers: 2
During an investigation, sam observes the number of hummingbirds that come to his large bird feeder...
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