Search results 3797 items matching your search terms. Filter the results Item type Select All/None Collection File Folder Image Link Movie Page Question Quiz Quiz History New items since Yesterday Last week Last month Ever Sort by relevance date (newest first) alphabetically a collection of all ecosystems on Earth by Dr. Osama M. Khaled — published Oct 27, 2021 — last modified May 30, 2025 09:04 PM Located in Biology / Basics / Introductory concepts in Biology - 2 A set of populations inhabiting a particular area by Dr. Osama M. Khaled — published Oct 27, 2021 — last modified May 30, 2025 09:04 PM Located in Biology / Basics / Introductory concepts in Biology - 2 All living things in a particular area together with the abiotic, nonliving parts of that environment by Dr. Osama M. Khaled — published Oct 27, 2021 — last modified May 30, 2025 09:04 PM Located in Biology / Basics / Introductory concepts in Biology - 2 An organism that cannot make its own food and must consume other organisms to obtain its energy by Dr. Osama M. Khaled — published Oct 27, 2021 — last modified May 30, 2025 09:04 PM Located in Biology / Basics / Introductory concepts in Biology - 2 An organism with cells that have nuclei and membrane-bound organelles by Dr. Osama M. Khaled — published Oct 27, 2021 — last modified May 30, 2025 09:04 PM Located in Biology / Basics / Introductory concepts in Biology - 2 The ability of an organism to maintain constant internal conditions by Dr. Osama M. Khaled — published Oct 27, 2021 — last modified May 30, 2025 09:04 PM Located in Biology / Basics / Introductory concepts in Biology - 2 The highest level of the taxonomic hierarchy; includes the Eukarya, Archaea, and Bacteria by Dr. Osama M. Khaled — published Oct 27, 2021 — last modified May 30, 2025 09:04 PM Located in Biology / Basics / Introductory concepts in Biology - 2 ِِِِِAn individual living entity by Dr. Osama M. Khaled — published Oct 27, 2021 — last modified May 30, 2025 09:04 PM Located in Biology / Basics / Introductory concepts in Biology - 3 A chemical structure consisting of at least two atoms held together by a chemical bond by Dr. Osama M. Khaled — published Oct 27, 2021 — last modified May 30, 2025 09:04 PM Located in Biology / Basics / Introductory concepts in Biology - 3 A diagram showing the evolutionary relationships among biological species based on similarities and differences in genetic or physical traits or both by Dr. Osama M. Khaled — published Oct 27, 2021 — last modified May 30, 2025 09:04 PM Located in Biology / Basics / Introductory concepts in Biology - 3 < Previous 10 items 1 ... 26 27 28 29 30 31 32 ... 380 Next 10 items > Subscribe to an always-updated RSS feed.