HELP I NEED IT ASAP The types of herbaceous plants changed at different times during succession. For example, ragweed (which grows well in full sun and completes its life cycle in one year) was very common in the first year after a farm field was abandoned, but less common in later years. In contrast, wild strawberry (which can grow in partial shade and grows back each spring from its roots) was more common in years 25-40. Explain the likely reasons for these changes in the types of plants at different times during succession.

Tara sees a commercial for a brand of pills that promise to boost energy and people perform better in work and school. as people in the commercial talk about how much better they feel when taking the pill, tara notices a message on the bottom of the screen that reads, "this pill is not approved by doctors and has not been tested in controlled experiments." what is the best conclusion that tara should make about the commercial? it is making scientific claims based on subjective observations. it is making scientific claims based on opinions instead of pseudoscientific facts. it is making pseudoscientific claims based on objective observations. it is making pseudoscientific claims based on opinions instead of scientific facts.

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?

The vaccine in a flu shot contains weakened flu viruses. how does a flu shot work with the immune system? a. it destroys lymphocytes. b. it destroys macrophages. c. it activates macrophages. d. it activates lymphocytes.