Answer:
A
Explanation:
Reptiles arose about 310–320 million years ago during the Carboniferous period.
Answer:
1. Partially Permeable Cell Membrane
2. Water/Carbon Dioxide/Oxygen/Lipids/Bacteria
3. raw materials for respiration/waste/photosynthesis
Explanation:
Hope this helps and good luck on your studies! :)
Answer:
Rain
Explanation:
It rains a lot of earth, and the water stores this rainwater in the oceans.
C because it has to have lots of radiation
Answer:
A rapidly changing environment
Explanation:
The sexual reproduction is more advantageous to organism to survive in the harsh conditions due to the changes in the sequence of nucleotides of the genes which became a characteristic feature of the sexual mode of reproduction.
This process of changes in the sequence is known as recombination. The sexual mode or reproduction evolved in the last common ancestors of eukaryotes but it is known to occur in the prokaryotes also as they reproduce by conjugation, transformation and transduction.
The sexual mode of reproduction was evolved in the organism as a result of the change in the environment to survive and thrive in the environment.