<u>Answer:</u>
Common ancestor is the main factor that determines that all terrestrial animals are quadrupedal.
<u>Explanation:</u>
- Phylogeny means the evolution of the organisms or genetically related organism and how they are related.
- The study of phylogeny is called as phylogenetics. Terrestrial means those who live on land.
- Mammals are one who gives birth to their offspring directly. They are generally warm-blooded, breath air.
- Studying each state of the ancestor and also tracing the organism characteristics during evolution.
Answer:
When the body does not convert enough glucose, blood sugar levels remain high. Insulin helps the cells absorb glucose, reducing blood sugar and providing the cells with glucose for energy. When blood sugar levels are too low, the pancreas releases glucagon.
Explanation:
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<span>Ideally, sustainable development should preserve the environment and ecosystems while being continually implemented. For example, solar energy is sutainable because you can't spend it by using it. Oil is unsustainable becasue it will run out and you can't replenish it in time. Wind energy is also sustainable.</span>
Answer: Surgical Iridectomy or coredectomy is the excision of iris for the treatment of glaucoma.
Explanation:
Glaucoma is a desease that destroy the optic nerve and can cause blindness. It can best be treated by surgical iridectomy. Glaucoma is caused when the fluid inside the eye(aqueous humor) flow out through a channel and continuous build up can cause blockage of the channel
Surgical Iridectomy is the removal of part of the iris in order to treat glaucoma. This is normally done for close angle glaucoma.