Classify the structures as homologous or analogous, depending on their structure and function.
The limbs of a bat and
the forelimbs of a bird
have similar functions
but different anatomy.
The wings of a bird
have a skeletal structure,
but the wings of bees
do not.
The arm of a human and
the arm of a chimpanzee
have similar functions
and bone structures.
Frogs and salamanders
are both amphibians,
and they also both have

What was dr. willem johan kolff’s first step in using the scientific process to invent the hemodialysis machine? he built the machine and tried it with various patients, collecting data about its effectiveness. when a patient’s kidneys failed, he wondered if it would be possible to perform kidney functions with an external machine. he researched and collected data about numerous patients who exhibited symptoms of kidney failure. he drew conclusions from studies of various symptoms of kidney failure, and drew a design for the ideal external blood-processing machine.

There is a liquid capsule inside a cup full of liquid. the cup full of liquid has salt in it and the liquid capsule has no salt in it. in which direction will the solvent flow? a. the salt does not have to move b. from the capsule to the larger cup c. equally between the capsule and the cup d. from the larger cup to the capsule

Can someone i have no idea of how to do this.