Controls algae - Study guides, Class notes & Summaries

Hypothesis - Tentative explanation for an observation, phenomenon, or scientific problem that can be tested by further investigation Variable - To vary or change Independent Variable - A manipulated variable in an experiment or study whose presence or degree determines the change in the dependent variable (thecause) Dependent Variable - The observed variable in an experiment or study whose changes are determined by the presence or degree of one or more independent variables (the effect) C...

Biology 104: Plant Exam Questions With Solutions 100% Correct What are the characteristics of a plant? A multicellular, eukaryotic, autotrophic organism with a cell wall (cellulose), performs photosynthesis, store starch, non mobile, alternation of generations, reproductive protection tissue From what organism did plants evolve? Charophytes (green algae) What are the adaptations of plants to life on land? the need for a constant supply of water (roots), the need for as much energy (le...

Texas Wastewater Class B Exam (Latest 2023/ 2024 Update) Questions and Verified Answers| 100% Correct | Grade A Q: Ways to reduce bad odors coming from a collection system Answer: routinely cleaning slow running or low flow lines, adding chlorine or hydrogen peroxide to the collection system Q: Types of pipe that are commonly used in wastewater collection system Answer: ductile iron, Poly Vinyl Chloride (PVC) Q: Before entering a confined space a worker should A...

Texas Wastewater Class A Exam Prep (Latest 2023/ 2024 Update) Questions and Verified Answers| 100% Correct Q: Before entering a confined space a worker should Answer: Use approved monitoring device and check for the presence of dangerous gasses, ventilate the space with a blower, wear a safety harness and attach a life line Q: A properly designed and operated primary sedimentation tank should remove _____ percent of incoming BOD Answer: 30-40% Q: Devices that may be...

Marine Bio CH. 1, 5, & 6 Quiz 100% Pass What is marine biology? The study of organisms that live in the sea. Marine bio facts not a separate science an applied field of biology and incorporates others: geology, chemistry Marine biologists study organisms that inhabit the sea (living things) Oceanographers study physical aspects (tides, currents) Why study marine bio? since life is believed to have risen in the sea, studying MB could provide a clue about links to our evolution many products c...

AQA GCSE Triple Science-Biology with Latest Questions and Answers-2024 What are eukaryotic cells? ANSWER Cells that are more complex and have a nucleus (animal and plant cells) What are prokaryotic cells? ANSWER Cells that are smaller and simpler, and don't have a nucleus but still have genetic information (bacteria) What are eukaryotes? ANSWER Organisms made of eukaryotic cells What is a prokaryote? ANSWER A prokaryotic cell (it's a single celled organism) What is cytoplasm? AN...

A fungus and an algae grow together to produce what we call a lichen. When investigators separate out the fungus from the alga and try to grow them in the same habitat but each alone, they all die. What hypothesis most logically explains this phenomenon? Ans: The fungus and the algae have a mutualistic relationship. They only survive when they are together because each organism benefits from their interaction, thus when they are separated they do not get the benefits as when they ar...

Biology 104: Plant Exam Questions With Complete Solutions 100% Correct What are the characteristics of a plant? A multicellular, eukaryotic, autotrophic organism with a cell wall (cellulose), performs photosynthesis, store starch, non mobile, alternation of generations, reproductive protection tissue From what organism did plants evolve? Charophytes (green algae) What are the adaptations of plants to life on land? the need for a constant supply of water (roots), the need for as much e...

PAX Science Practice Test Questions & Answers 2024/2025 synthesis reaction - ANSWERSa reaction in which two or more substances combine to form a new compound Benzene - ANSWERSConsists of a ring of six carbon atoms with alternating single and double carbon-carbon bonds. Which of these organisms use nitrogen directly from the air? - ANSWERSBlue-green algae What instrument is used to measure current flowing through a circuit? - ANSWERSAmmeter a quantity that has both magnitude and ...

Structure of Nucleus. 1. Nuclear envelope: double membrane surrounding nucleus, outer membrane continuous with the (R)ER of the cell. 2. Nuclear pores: allow the passage of larger molecules, such as mRNA, out of the nucleus. 3. Nucleoplasm: granular, jelly-like material making up the bulk of the nucleus. 4. Chromosomes: protein-bound, linear DNA. 5. Nucleolus: small spherical region(s) in nucleoplasm. Manufactures ribosomal RNA and assembles ribosomes. Function of Nucleus. 1. Controls...