Which organisms have produced the oldest fossil evidence?

A. Vertebrates

B. Protists

C. Bacteria

D. Plants

How is control of a disease such as the bubonic plague complicated by the fact that it spreads across multiple animal species? (can anyone also simplify the question so that I may understand what is being asked?)

Which type of jelly fish has the ability to reverse age its self when it becomes a certain age?

Dapatkah suatu energi panas dihasilkan dari kotoran sapi?

Landslides and mud slides can both result from volcanoes and earthquakes true or false

Which is a result of using a machine?

Describe two ways in which indoor air pollution can be prevented?

What should you consider when addressing sensitive health issues?

3. Which is not a major component of natural gas? A hydrogen sulfide B carbon monoxide c methane D propane

On a submarine expedition to the ocean bottom, you discover a population of fish that are only female. What type of reproduction does this fish most likely use? a. sexual b. budding c. cloning d. parthenogenesis

4. Which of the following might be included in an ecological community Select all that apply. A) plants and animals b) multiple organisms C) abiotic factors d) multiple ecosystems e) a water source f) multiple populations