True/False

A microphyll is a simple leaf with only one vasuclar bundle.

a scientist came across two populations of beetle species, each pure-breeding. one population was all red in color and the other was all black. the scientist mated one red beetle with one black beetle, and the offspring were all red.

If you planted 100 seeds from this test cross, about how many would be white? How many would be red?

25. A biogenic sediment can be composed of all the following except bones rocks shells dead fish

Which structure is found in all eukaryotic cells? chloroplast mitochondria cell wall pili

Carbohydrates are made up of carbon, oxygen, and? A. Gold B. Potassium C. Hydrogen D. Copper

What molecules does the fruit represent

Which of these events happens immediately before cell division occurs? A. The cells genetic material is copied B. The cells surface area to volume ration increases C. The cells volume decreases more than its surface area D.

Consider that two bacteria produced by binary fission do not have the same phenotype. The most likely explanation is that A they are genetically different B the cells are not undergoing transcription and translation C the cells have different cell

How do scientists confirm a prediction, for scientific method

Which of the following is the correct equation for photosynthesis? 1 A) 6O2 + 6H2O + light energy = C12H6O6 + 6O2 2 B) 6CO2 + 6H2O + sugar = C6H12O6 + 6O2 3 C) 6CO2 + 6O2 + light energy=C6H12O6+6H2O 4 D) 6CO2 + 6H2O + light energy =