Answer:
1. Circulate blood through the body
-Subduction causes the lithosphere to be recycled at plate boundaries
At destructive boundaries, tectonic plates collide, the denser plate gets subducted under the less dense plate. The subducted plate dives into the mantle, melts and is recycled.
Explanation:
At the constructive boundary, as two plates move away from each other, magma from the mantle rises to occupy the void. The magma cools to form new crust in between the two plates.
As new crust is formed at the constructive boundaries and old crust is destroyed at destructive boundaries this maintains a balance that ensures the crust is maintained more or less the same size over time. The only difference is that the crust shift position due to these tectonic plates movements driven by convection currents of the mantle.
Learn More:
For more on plate boundaries check out;
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Plant cells contain organelles, called chloroplasts, where photosynthesis occurs. However animal cells do not have chloroplasts.
Explanation:
Pituitary gland: The main endocrine gland. It is a small structure in the head. It is called the master gland because it produces hormones that control other glands and many body functions including growth. The pituitary consists of the anterior and posterior pituitary.
The correct answer is tick on a dog.
The parasitic relationship can be defined as the relation in which one organism feeds on the other organism for their nutritional purpose. It can also harm the other organism by any means. Here, tick on the dog is dependent on the dog for its nutritional requirement. This is an example of parasitic relationship between dog and tick.
