Which organelles work together to provide energy through photosynthesis and cellular respiration?
O nucleus and nucleolus
O cytoskeleton and chromatin
O mitochondria and chloroplasts
O ribosomes and endoplasmic reticulum

Punctuated equilibrium verses gradualism have long been contested as ways in which species evolve. choose the best evidence for gradualism.

Scientific method and data analysisa biology student wanted to determine if there is a relationship between resting heart rate and bodyheight. she gathered information from 12 classmates and constructed the table below.resting heart rate (beats per minute)student height (cm)155. 156156165180180190194195

What type of cell is produced after fertilization occurs and the gametes combines ?