Answer:
The answer is D because it is the only example that takes place over a long period of time.
Explanation:
The awnser would be D the tilt on the earth on its axis
Answer:
This organism will be placed in kingdom Animalia, phylum Arthropoda and class Araneae because it has same characteristics to spider and spider also belongs to class Araneae.
Explanation:
Organisms which belongs to class Araneae is known as Arachnids. These organisms are invertebrates and have two body parts i. e. cephalothorax and the abdomen. They have eight legs.
Crossing over does helps in genetic diversity as it provides with new genes combinations. In crossing over, chromatids exchange genetic information during the meiosis. This mixing of genetic information provides the offspring with its own unique genetic makeup with some similarities with the parent’s genetic system. Crossing over is very beneficial in terms of giving the offspring more variability that helps in becoming more resistant to a disease and be a better version than parents.
Answer:
c. A at the top of the saturated zone.