Answer:
This cycle takes approximately 100,000 years to complete.
Explanation:
PLATO
Answer:
Thats WBCs cell which perform phagocytosis
B. larger and more complex
Explanation: As the environment became more unpredictable, bigger brains helped our ancestors survive.
The Ovaries produce hormones, that trigger menstruation. They also release one egg each month for possible fertilization.
Benefits of living on land: Sunlight is brighter, since it doesn't have to go through water first. More carbon dioxide in the atmosphere than in the ocean. Mineral nutrients are plentiful in the soil.
