biology

3. The gap between two neurons where information is transmitted.
7. A cluster of capillaries in the kidneys where blood filtration occurs.
9. A specialized form of cell division that produces gametes with half the chromosome number.
11. The narrowing of blood vessels, reducing blood flow.
13. The adjustable opening in the center of the eye that controls light entry.
14. The ability to maintain a stable internal environment in an organism.
16. The process by which species change over time through natural selection.
17. The interior space of a tubular structure, such as a blood vessel or intestine.
19. The protective covering around nerve fibers that facilitates signal transmission.

1. The process by which plants convert sunlight into energy.
2. The process of organizing actions and responses in the body.
4. the method of producing genetically identical organisms.
5. A diverse group of mostly unicellular organisms, including algae and protozoa.
6. Referring to reactions that absorb heat from their surroundings.
8. The movement of particles from an area of higher concentration to one of lower concentration.
10. The process of widening blood vessels to enhance blood flow.
12. Plant tissue that transports sugars and nutrients.
15. Describing processes that occur without oxygen.
17. White blood cells essential for the immune response.
18. Vascular tissue responsible for water transport in plants.