Biological scientists use a variety of methods to gather evidence, or data. If a biologist examines how different variables affect plant growth in a controlled setting, what type of investigation did the biologist perform?
A. observational field study
B. laboratory experiment
C. collection of specimens
D. model-building

Chinese privet is a plant that is native to china. over 150 years ago, chinese privet was introduced to the united states as a fast-growing shrub that serves as an excellent privacy hedge. with no natural herbivore, chinese privet quickly established itself and spread in natural areas throughout the southeast and eastern seaboard of the united states. its dominance in these areas has jeopardized the survival of native plant species. chinese privet provides evidence that introducing non-native organisms can cause environmental damage integrated pest management strategies will not decrease chinese privet populations american gardeners can easily control the spread of chinese privet non-native plant species have type i survivorship curves

The energy required to vaporize a certain amount of a substance is greater than the amount of energy necessary to raise the temperature of the same amout of that substance by 1 degreee celcius

During binary fission, what events must occur before the cell splits into two new cells?