What is the independent variable in this experiment? A) temperature B) Number of chirps C) Number of crickets D) Location of the laboratory

The table below shows some physical properties of two unknown samples Sample- C D Mass- 200 g 500 g Solubility (in water) 36g/mL 180 g/mL What would best support whether the two samples are of the same substance or not?

Which is a major threat to biodiversity? A. Yucca moths pollinate and feed on yucca plants in the Mojave Desert. B. Non-native kudzu out-compete native plants in the eastern United States. C.

How many cells are produced from a single cell after five mitotic divisions? a. 8 b. 10 c. 16 d. 32

When technological advancement was necessary before scientists could begin to observe cells

During which phase of meiosis does crossing over chromosomes occur

What example is a vector quantity

Pollen contains the male gamete for plants. What kind of cells are pollen cells?

Why is the process of copying DNA called semiconservative replication? Each strand is a mixture of old and new nucleotides. One strand runs from 5' to 3' and the other runs from 3' to 5'. The process happens very slowly to conserve energy.

Describe the location and the length of the incision you will make in the earthworm

Which situation is a good illustration of a biologically resistant species? A) A mule, despite being the product of two different species (a horse and a donkey).