Biology

2. A specialized structure within a cell. formed when a specific set of molecules bond.
4. individual living entities that survived and reproduce as a unit. Each tree in a forest is usually an individual organism.
5. all the biotic things in a particular area with abiotic materials and conditions in that area
9. Two or more atoms held together by a chemical bond
11. Highest level of organization in living systems. All areas on , within, around the planet earth that are capable of supporting life.
12. a pattern of distribution of ecosystems across the globe where similar environmental conditions lead to similar animal and plant adaptations.
13. all the individuals of the same species that occupy the same area and are likely to breed with one another

1. single celled life forms
3. A higher level of organization that consists of functionally related organs
6. A large and complex molecule formed by combining smaller subunits producing a larger unit consisting of many atoms with new properties
7. all of the populations interacting with each other within a specified area
8. Macromolecules that are used as building blocks to form a membrane bound sphere
10. Basic unit of matter that cannot be further broken down without losing its properties
14. a collection of tissues grouped together based on a common general function
15. a group of similar cells carrying out the same detailed function with an organism