Q: Q: All gymnosperm species and many eudicot species undergo what? A:

OPTIONS:
- exploitation
- mutations
- third growth
- secondary growth

A: secondary growth

input: OPTIONS:
- mechanical radiation
- particles radiation
- microwave radiation
- electromagnetic radiation Now, answer this question: Q: The sun emits energy in the form of what? A:
A:
output: electromagnetic radiation

Q: What are atoms or groups of atoms called which carry and electrical charge? A:

OPTIONS:
- protons
- molecules
- electrons
- ions

Answer: ions

Problem: OPTIONS:
- anemones
- crystals
- molluscs
- coral
Q: Q: What is the foundation species of coral reef ecosystems? A:
Answer: coral

Problem:OPTIONS:
- valve
- frame
- system
- organ

Q: What kind of anatomical structure consists of several types of tissues that together carry out particular functions? A:
****
A: organ

Problem:OPTIONS:
- Ionic
- deformation
- corrosion
- covalent

Q: In a molecular compound, electrons are shared between atoms in which type of bond? A:
****
A:
covalent