1. ?
2. Hypotonic
3. Hypertonic
4. Isotonic
5. Hypotonic
6. Hypotonic
Answer:A, B and D
Explanation:Respiratory takes in oxygen and digestive absorbs nutrients from the food while the circulatory deliver those through the entire body.
This is Circulation !!
Pathway of the blood from Heart to Lungs to Heart then the whole body !!
La notación científica es una forma muy conveniente para escribir números pequeños o grandes y hacer cálculos con ellos. También transmite rápidamente dos propiedades de una medida que son útiles para los científicos, las cifras significativas y orden de magnitud.
Answer:
The pioneer species colonize and modify the forest floor allowing other species to invade the area
Explanation:
Pioneer species have a key role in helping an ecosystem start back up and grow. The pioneer species in this case (small perennial plants and flowers in secondary succession) allow animals and other organisms to start living there because there is now food for them to eat.