PLEASE HELP ASAP Kelp play a substantial role in building the structure for kelp forests impacting species richness. Which statement best explains the role of kelp forests in maintaining the diversity of the ecosystems?

Kelp forest act as ecosystem engineers.
Kelp act as a keystone species.
Without the kelp forest as the producer, the feeding relationship would collapse.
With the presence of consumers, kelp is an invasive species.

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.