The chart shows four stages of demographic transition. Which situation best describes the transitional stage (Stage 2)? Stage 1 Preindustrial stage Stage 2 Transitional stage Stage 3 Industrial stage Stage 4 Postindustrial stage 40 30 Rate per 1000 20 10 0 Total population Death rate Birthrate O A. Sharply dropping birthrate and death rate B. High birthrate and dropping death rate C. High birthrate and equally high death rate O D. High and stable total population​

Which is an example of a decomposer? a. bear b. algae c. grass d. bacteria d bacteria

Imagine that certain laws of physics could be ignored and you were able to travel vast distances in moments. now imagine that you traveled to an earth-like planet located light-years away that is known to support life. think about what you’ve learned in this unit and make an argument for what you think would be the dominant type of life form on this planet. consider whether a notochord is required for an organism to manipulate its environment and become a dominant creature.

Hydrilla (hydrilla verticillata) is an invasive aquatic plant and one of the most serious aquatic pests in florida. hydrilla has already been introduced to hundreds of bodies of water throughout florida, hydrilla is difficult to control because it grows rapidly and survives in many different water depths and conditions. hydrilla • describe how hydrilla affects native plant and animal species. include both a biotic and an abiotic limiting factor. • suggest one biotic and one abiotic recommendation that could slow the spread of hydrilla