Biology, 03.11.2020 01:20, iornstricker
Petri Dish pH of Solution
In an investigation to determine the effects of environmental pH on the
germination of dandelion seeds, 25 dandelion seeds were added to each of five
petri dishes. Each dish contained a solution that differed from the others only in
its pH, as shown. All other environmental conditions were the same. The dishes
were covered and observed for 10 days. Using one or more complete sentences,
state the variable in this investigation. Write your answer in ink in the space
provided on your answer paper.
State the dependent variable in this investigation
State a constant in this investigation
State a hypothesis in this investigation.
State a conclusion that can be drawn from this investigation.
Answers: 3
Biology, 22.06.2019 03:00, Wolfzbayne
Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point
Answers: 1
Biology, 22.06.2019 06:00, sassyparker1216
Which is one example of a phenotypic change that is not genetic
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Biology, 22.06.2019 07:00, Arden990560
Which of the following statements is most likely correct about a rock belonging to the jurassic age and a rock belonging to the cambrian age? options: 1) they have identical fossils of organisms that have evolved over time. 2) both have animal fossils preserved in them due to weathering and erosion. 3) they contain different fossils because life on earth has changed through time. 4) the fossils in them were formed on the surface of earth due to exposure to sunlight.
Answers: 1
Petri Dish pH of Solution
In an investigation to determine the effects of environmental pH on the
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