What power objective should you always start at when observing a specimen through the microscope?

Which environmental change would most likely result in bullfrog offspring that are able to store more water than bullfrogs in previous generations?

Chimeras are interesting organisms that have two different sets of dna. chimeras occur when when two different zygotes fuse to form one organism. some chimeras have no outward symptoms,while some have two different eye colors it two different blood types what roles do mitosis and meiosis play in the process

Which characteristic of potassium’s makes it useful for dating rocks