Answer: 1. founder effect
2. evolution
3. natural selection
4. species
5. geographically isolated
Explanation: Good luck! :D
kidney - removes urine from the body by making urine
urethra - leads urine from the body
bladder - stores urine until it is ready to be released
ureter - leads urine away from the body
Sponges are the simplest bilateral animal and do lack a body cavity. A sponge has two layers of tissue.
Answer:
Fascicles
Explanation:
Muscle fibers are arranged into bundles known as fascicles. These are in turn covered by connective tissue called perimysium.
