Biology, 03.03.2021 01:00 evanlubbe53
A student made a model of a closed ecosystem in a bottle like the one
shown. Then the student hypothesized that the water cycle will take place in
the model ecosystem.
Which evidence can the student collect to support her hypothesis?
She can observe condensation on the inside of the bottle.
B. She can visually count the number of rocks in the bottle.
C. She can observe precipitation in her neighborhood every day.
D. She can add a new plant to the plastic every day
Answers: 1
Biology, 22.06.2019 00:00
How many species of living things are alive on earth today? more than 1,000,000 none of these answers are correct 100-500 1,000 –500,000 o 500,000 -1,000,000
Answers: 1
Biology, 22.06.2019 04:00
What sentence best supports the statement that hormones are involved in the regulation of homeostasis? a. the hormone erythropoeitin increases the production of red blood cells when oxygen levels are low. b. the hormone oxytocin promotes labor contractions of the uterus during childbirth. c. the hormone melatonin induces sleep and its production is slowed by exposure to light. d. the hormone cortisol suppresses the immune system and is produced when the body is under stress.
Answers: 3
Biology, 22.06.2019 07:30
Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables
Answers: 3
Biology, 22.06.2019 07:30
Paint and solvents pose no potential hazard to human health. select the best answer from the choices provided t f
Answers: 3
A student made a model of a closed ecosystem in a bottle like the one
shown. Then the student hypot...
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