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☆☆☆☆☆DNA
evolution
*A+* micro biologist
If you teach your dog a trick and then reward him with a treat when he performs the trick, this is an example of learned behavior. Over time, the dog learned that he would be rewarded for following your command.
development
species
humans :)
Homozygotes for one allele are favored over all others.
The discovery of the double helix structure of DNA, (the template for creating genetic offspring cells) was made in 1953 by James D. Watson and Francis Crick.
Adaptation refers to the ability of a living thing to adjust to environmental changes.
adaptation
water
Group Behavior
multicellularity
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Sponges are simple aggregations of single cells which come together for mutual benefit. If you liquidise a sponge, the cells it is made form will come together again to reform the sponge. Thus sponges (or something like them) were probably the first step in the evolution of multi-cellular organisms.
it is not made of cells (A+)
