When does crossing over occur in meiosis?
a prophase 2
b metaphase 2
c metaphase 1
d prophase 1

Study the diagram of a desert food chain . what would most likely happen if the kangaroo rats were killed off and removed from the food chain ?

Astudent drew the following flowchart to show the movement of nutrients. soil → roots → plants →? where does nitrogen go next? a. directly into nearby animals as nutrition b. directly into aquifers through condensation c. directly into the air through evaporation d. directly into nearby plants during fixation

During endocytosis, cells expel what they don't need take in what they need shrink due to loss of water