An unknown alien body visits earth. scientists study it to determine if it is alive and
notice the following things about it:
. it is made of cells
. it can reproduce
. it does not grow or develop
. it does not maintain homeostasis
it can adapt to its surroundings
. it uses energy
based on these observations, is this alien living or not?
it is living because it is made of cells, uses energy, and reproduces
it is living because it has all the characteristics of life
it is non-living because it does not have all the characteristics of life

In some plants, pointed leaves (p) are dominant over rounded leaves (p). a plant with a genotype of pp

Darrel conducted an experiment with the following procedure: fill two cups with ice water. place an uninflated balloon snuggly onto your left index finger. blow a little air into an identical balloon, and place it onto your right index finger. place both fingers into the cups of ice water. darrel noticed that his right finger felt warmer in the ice water than did his left finger. which of the following does the experiment show? a. air is a good radiator of heat. b. air is a good insulator of heat. c. air is a good conductor of heat. d. air is a good convector of heat.

What was darwins theory of common decent