What is represented by the base root of a phylogenetic tree? the extinction of the species the origin of the species evolution of populations over time where a population splits into two.

Aflashlight battery is an example of a) potential energy b) kinetic energy c) thermal energy d) solar energy

When is your respiration rate likely to change? a. when your intestines are digesting b. when your cells have too much glucose c. when your cells need more oxygen d. when your liver is working after a meal

Dermal tissue in plants stores 1.extra food 2.transports water and nutrients 3.transports waste materials 4.is similar to epithelial cells in animals