Answer:
Explanation:
So that it can be better for the person
1. How many muscles are in the human body?
2.What diseases affect the muscular system?
3. What are the functions of the muscular system?
4.what are two types of muscle fibre?
I think its C. global warming
because the other one directly threats aquatic bio diversity while global warming doesn't just affect aquatic biodiversity
Photosynthesis is a process plants and other organisms use to create energy. The energy from sunlight, glucose, water, oxygen, and carbon dioxide are used by the plant to photosynthesize. These chemicals work together within the plant and produce energy. Oxygen is a product of photosynthesis that benefits humans and animals. Photosynthesis is essential for most plants to live.
Answer:
The answer is 'D'- Their arm bones have the same structure, but not function. These are homologous structures.
Explanation:
Homologous structures are those which share a basic common structure but perform different function. The hand of a human performs functions like <em>writing, cutting, washing, chopping</em> etc. The wings of a bat are used for the purpose of <em>flying</em>.
Also, <em>a dolphin's flippers, a bird's wing, a cat's leg</em> are all <u>homologous structures</u>. The structures which are homologous have the following features:
- They share a <em>common origin</em>
- Their <em>anatomy</em> is similar
- They have a <em>similar pattern of development</em>.