Multicellular life Samenvattingen, Aantekeningen en Examens

Write a few sentences that explain what limits an individual cell from becoming more complex. - Correct answer-Bimolecular machinery and division of labor The paramecium discussed in class contained an organelle called the contractile vacuole. This is the presumed precursor of the: - Correct answer-Kidney In cell Biology what can limit the progress of science? - Correct answer-Technology True or False: In you own multicellular body, cells with different functions have different DNA - Corre...

Cell - smallest, most basic unit life unicellular - one cell multicellular - many cells emergent property - qualities appear each level organization List the organization of living things. - Atom molecule cell tissue organs organ system organism List the 5 characteristics of living things. - organized acquire materials & energy respond to stimuli reproduce & develop adapt natural selection - organisms become modified evolution - change over time become suited environmentList the...

Which of the following types of cells utilize deoxyribonucleic acid (DNA) as their genetic material but do not have their DNA encased within a nuclear envelope? Correct Answer-Archaean A localized group of organisms that belong to the same species is called a _____. Correct Answer-Population Which taxonomic domain includes multicellular photosynthetic organisms? Correct Answer-Eukarya When your body temperature rises on a hot day, the neural and hormonal mechanisms activate sweating. Ev...

What is the basic organizational unit of all living things? the cell What is one thing that all cells have in common? a cell membrane What is a membrane comparable to? a semi-permeable plastic pag What is the membrane composed of? phospholipids What are transport holes? proteins that help certain molecules and ions move in and out of the cell What is cytoplasm? the fluid that fills the cell; aka cytosol What are organelles? groups of complex molecules that help a cell survive; larger the ...

Biology 1402- Test 1 Questions and Answers Already Passed A community plus its physical environment is a/an ________. A) thallus B) ecosystem C) population D) plasmid ecosystem The ultimate source of energy for nearly all life on Earth is the sun; plants and certain other organisms convert solar energy into chemical energy by the process of _________. A) the citric acid cycle B) cellular respiration C) photosynthesis D) glycolysis photosynthesis ___________ includes chan...

What is fossil? - Answer-Remains of an ancient organism or its activity What kinds of rocks are fossils found in? - Answer-Sedimentary rocks What help determine the absolute and relative ages of rocks? - Answer-Fossils What provides clues to past geologic events, climates, and evolution of living things? - Answer-Fossils What are an indicator of an area's ancient environmental conditions and climates? - Answer-Fossils Why do fossils not form in igneous rocks? - Answer-Igneous roc...

IB Biology HL Questions and Answers Already Passed What are the characteristics common to all forms of life? reproduction, carbon, responds to surroundings, Growth and Development, cellular organization, and energy What are the levels of biological organization from simple to most complex? Molecules, cell, tissue, organ, organism, population, community, ecosystem, biosphere What are the 4 most common types of biological molecules? Proteins, nucleic acids, carbohydrates, and lipids...

intro to life in the sea exam #2 questions & answers 2024/2025 two groups of marine plants - ANSWERSalgae (incl. phytoplankton) & seagrasses algae are non-vascular - ANSWERS-they lack connectivity between the parts of its body -It does not pump nutrients Macroalgae - ANSWERSmacroscopic, multicellular, benthic, marine animals like seaweed how do macroalgae stay in place? - ANSWERSThey have holdfasts that act as an anchor Are macro algae holdfasts considered roots? - ANSWERSNo be...

What does the cell theory state? All life is composed of cells & cells can only come from pre-existing cells. Differentiate between a unicellular organism and a multicellular organism, give an example of each. Unicellular organisms are composed of only one cell; Bacteria; Multicellular oganisms are composed of a multitude of cells, where a cell is only a part of the entire organism; People. Differentiate between unicellular and multicellular organisms in terms of cell division. (What does ...