Examlex
In terms of inputs of matter, the Earth is a closed system. As a result, nutrients must be recycled to support life.
Protozoans
Single-celled eukaryotic organisms that may exhibit animal-like behaviors, such as movement, and are often found in aquatic or moist terrestrial environments.
Amoeboids
A group of organisms, mostly unicellular, that move and ingest food by extending pseudopods.
Fungal Cell Walls
Rigid outer layers found in fungal cells, composed primarily of chitin, which provide structure and protection.
Chitin
A long-chain polymer of N-acetylglucosamine, a derivative of glucose, which forms a major component in the exoskeletons of arthropods and the cell walls of fungi.
Q10: Rejection of heart transplant confirmed by left
Q12: When we speak of protecting the environment,
Q15: When organisms die, their nitrogenous organic compounds
Q19: _ are materials and energy in nature
Q24: What are APCs and what do they
Q26: An intertidal species of seastar helps to
Q41: A 2-year-old child was admitted with an
Q49: In terms of diversity, coral reefs are
Q50: A patient has SIRS due to an
Q54: Which of the following implies the greatest