Answer:
A molecule is two or more atoms bonded together to form a single chemical entity.
-Crossing over occurs between prophase 1 and metaphase 1 and is the process where homologous chromosomes pair up with each other and exchange different segments of their genetic material to form recombinant chromosomes. It can also happen during mitotic division, which may result in loss of heterozygosity.
The plant species that live in the colder environment have some adaptations that makes them survive in that conditions
These plants have a well developed vascular system due to which they have the ability to trap every inch of sunlight available for the process of photosynthesis.
Some of the plants shed their leaves and stay in dormant conditions.
Evergreen trees have thick waxy coating that prevents the loss of water.
The plants that grow in arctic regions are small and they grow close to the ground in a specific shape that helps them to shed snow from them.
Mitochondria would be present because of all the energy required to both pump blood and move your muscles
