2. A good hypothesis can be tested
Answer:
A true
Explanation:
Living things are made of four types of molecules, known as macromolecules. These macromolecules are proteins, nucleic acids (DNA and RNA), lipids (fats) and carbohydrates. Each type of macromolecule is made of its own building blocks, which are intricately connected to form different shapes.
Answer: owls invade rodents that maintain ecosystem.
Explanation:
Farms have huge importance in term of food production and maintaining ecosystem (having all level of tropic levels). But, crops and vegetations are normally destructed by rodents. Thus, rodents are invaded by owls which helped to control crop damage and increase yield production that eventually maintain ecosystem of farms.
It develops in the tube cell but it is released in the pollen