Answer:
It is biodiversity, I think. Not sure, though.
I believe spines is the right answer
Answer:
increase of greenhouse gases
increased temperature
melting of polar iced caps
raised sea levels
frost free/ growing season will lengthen
more drought and heat waves
increased intensity of hurricanes
heres more-
https://climate.nasa.gov/effects/
The cell is the smallest basic unit of matter.
Answer:
O macromolecule, population, community, ecosystem
Explanation:
Macromolecules are very large molecules composed of atoms, such as complex carbohydrates, fats and proteins (for example, fats are macromolecules mainly composed of C, H, and O atoms). Macromolecules in turn associate to form cellular structures (eg. organelles, cytoskeleton, etc), which subsequently combine to form cells. Individuals are made up of one or more cells (i.e., unicellular and multicellular organisms, respectively). In the next level, populations are groups of individuals of the same species that live within a given area; whereas communities are groups of populations that live in a given area and interact with one another. Finally, an ecosystem can be defined as a group of populations (i.e., a community) and the abiotic factors (i.e., nonliving parts) of their environment that support them (e.g., water, light, radiation, temperature, etc).