Answer:
Freshwater
Explanation:
Protonephridia are made up of many flame cells. Flame cells are specialized excretory cell found in the simplest freshwater invertebrates like flatworms.
Answer:
DNA is located in the nucleus, but can also be found in other cell structures called mitochondria. Since the nucleus is so small, the DNA needs to be tightly packaged into bundles known as chromosomes.
Explanation:
The population would decrease because the food chain has been disrupted at the bottom

Correct choice is " Eating Carbohydrates "
Animals and other organisms access Glucose for cellular respiration, by eating <u>Carbohydrates</u> .
Answer:
Homologous structures provide evidence for common ancestry, while analogous structures show that similar selective pressures can produce similar adaptations.
Explanation: