Biology, 24.12.2020 02:10 alshaibanihassan10
An experimental diagram is shown in the diagram below:
a. Green water plants release a gas in the presence of light.
b. Roots of water plants absorb minerals in the absence of light.
C. Green plants need light for cell division. d. Plants grow best in the absence of light.
Answers: 2
Biology, 21.06.2019 22:00
The earth consists of a variety of different organisms. despite their diversity, however, some similarities on the structural and metabolic levels may be seen. these similarities can be attributed to a. similarities among organisms in their proteins and nucleic acids. b. the ability of organisms to readily adapt to sudden environmental changes. c. similarities in organisms' habitats and niches. d. the ability of all organisms to interbreed and produce new species.
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 13:30
How do the sperm cells get from the stigma to the ovules? a. they slide down the petals to the bottom of the flower. b. they travel through pollen tubes. c. they travel along filaments. d. insects carry the sperm cells from the stigma to the ovules.
Answers: 3
An experimental diagram is shown in the diagram below:
a. Green water plants release a gas in the p...
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