Answer:
Blood vessels constrict
Explanation:
On seeing danger, impulses are sent to the adrenal medulla. It responds by secreting adrenaline into the bloodstream. This results in the following:
- Increased heartbeat
- Diversion of blood from alimentary canal and skin to skeletal muscles.
- Increased breathing rate and depth
- The liver releases more glucose.
These changes increase energy production especially in the skeletal muscles and prepare animal for sudden fight or flight.
I would choose the mountain ecosystem.
The mountain ecosystem contains a complex living organisms.
Mountain lands support a diverse array of habitats with large range of plants
and animals. It is very crucial for biological diversity and is very wonderful
to see. The climate is mostly cool which is fitting for relaxation.
Answer:
A food chain only follows just one path as animals find food
Explanation:
A hawk eats a snake, which has eaten a frog, which has eaten a grasshopper, which has eaten grass
Answer:
Electromagnetic: Both:
1.Infrared Light 1.Transfers Energy 4.Speed dependent upon the medium 2.Transverse Wave they are travelling through. 3. 3.Can Be Reflected
2.Visible
Mechanical: 1.Requires a medium 2.Sound 3.Ocean Wave 4.Longitudinal Wave
Explanation: