A scientist observes that some cells are growing faster than the other cells in a rat tissue culture. A week later, the scientist notices that the fast-growing cells have tripled in number compared to the
normal cells. This observation is a possible clue that the fast-growing cells -
A Have killed the slow-growing cells
B Were exposed to antibiotics
C Contain an unknown enzyme
D Have disruptions in their normal cell cycles

Explain why ecosystem diversity results in species diversity in a healthy biosphere

Research question: why are the carrots that grew on the left side of the garden larger than the carrots that grew on the right side of the garden? which hypothesis is based on this research question? a comparison of people with gardens to people without gardens will show who is likely to live longer. b. carrots are thought to be good for your eyesight and should be eaten regularly. c. carrots that are provided lots of sunlight grow to a larger size than carrots grown in the shade. d. eating fresh vegetables every day is a healthy thing to do.

In the desert, saguaro cacti, owls, horned lizards, and fire ants all share the same space. which of the following can be considered a population? question 9 options: all plants in the same area all cacti in the same area all species in the same area the lizards and the ants