Answer:
- They are made of denser objects, which can condense at relatively high temperatures;
- They are made of heavier elements, which have a stronger gravitational attraction to the Sun;
A large class of molecules is called a macromolecule.
Answer:
1: B
2: C
3: D
4: D
5: B
6: C
7: A
Explanation:
Alleles: alternative forms of a gene
Gametes: sex cells that are the product of meiosis
Genes: unit of hereditary, made up of DNA
Traits: specific characteristic of an organism
