Trophic system - Study guides, Class notes & Summaries

Describe speciation. - The creation of new species. The way new species are created is: 1. They must be reproductively isolated, The original population separate into two populations (Preventing the two populations memes from mixing) 2. Separate populations must be exposed to different selective pressures. (Adapting to these pressures causes differences. In the Environmental Policy Life Cycle an environmental issue starts with a _____________ amount of disagreement and the amount of disagre...

APES Study Guide (2023/2024) Already Graded A Sustainabiliy The ability of a system to support itself Gaia Hypothesis proposes that organisms interact with their inorganic surroundings on Earth to form a self-regulating, complex system that contributes to maintaining the conditions for life on the planet. Spaceship Earth 1968 Picture of Earth from Space Precautionary Principle The precautionary principle or precautionary approach states that if an action or policy has a suspected risk of caus...

Agnatha characteristics - Answer-jawless fish Amphibia characteristics - Answer--moist skin - gas exchange through skin and lungs -metamorphosis Arachnid (tarantula) - Answer-Arthropoda Ascaris summ (pig roundworm) - Answer-Nematode Aves characteristics - Answer-birds - feathers -waterproof skin - hollow bones -endothermic Catfish - Answer-Actinopterygii Cephalochordata characteristics - Answer--retains all characteristics in adults Lancelets Chiton - Answer-Mollusca Chondrichthye...

Biol2220 Final Exam QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+ Homeostasis - Answers - Maintenance of relatively constant conditions in the internal environment Significance of Homeostasis - Answers - Disruption can lead to disease; Body can adapt to mild stressors; Variables that need to remain constant: composition, temperature, volume Positive Feedback Loops - Answers - Positive Feedback: the response of system goes in the same direction as the chang...

Systemic communication involves? - ️️response to momentary stimulus acute or short term may be integrated system response What is the purpose of systemic communication? - ️️to maintain homeostasis of critical physiological processes supportive/nutrition promote cell growth/proliferation differentiation maintenance of cell and tissue functions Systemic communication effects - ️️long term A decrease in BDNF results in - ️️obesity, diabetes, cardiovascular disease, de...

BIO 105 Exam Review 2024 Questions and Answers 100% Pass summarize the flow of energy through living systems and explain what happens to most of the energy. - Correct Answer ️️ -energy flows from one trophic level, or level of the food chain, to the next. Most energy is lost through heat. monomers of carbohydrates - Correct Answer ️️ -monosaccharides (glucose, fructose, galactose) monomers of proteins - Correct Answer ️️ -amino acids (tyrosine, glycine) monomers of lipids - C...

Ecology study of one's home/earth Ecosystem community of living organisms and their interactions with their abiotic (non-living) environment Abiotic factors and biotic factors when discussing ecosystems, we consider ________ and _______ factors Flow of energy is dependent on capture and conversion of solar energy into a usable form by all other life why is the sun the ultimate source of energy for all ecosystems? Primary producers convert solar energy to usable through photosynthesis--&gt...

Animal Diversity, 8e (Hickman) Chapter 1 Science of Zoology and Evolution of Animal Diversity 1) A characteristic of science is that A) it is not explained by natural laws. B) its hypotheses are testable. C) its conclusions are final. D) it is not falsifiable. E) it seeks to define the vitalistic forces of life. Answer: B Section: 01.01 Topic: Principles of Science Learning Objective: 01.01 Explain that science consists in testing, possibly rejecting, and improving our simplest and be...

NNP random Exam Questions and Answers 100% Pass 1. The most common complication in pregnancy is gestational: A. Anemia. B. Diabetes. C. Hypertension. answer - Correct Answer ️️ -C. Hypertension is the most common complication in pregnancy and cause of most of the morbidity/mortality in both maternal and neonatal cases. Hypertension-related complications are a leading cause of maternal death in the United States (Jeyabalan, 2015, p. 250; Moore, 2018, p. 119; Poole, 2014, p. 124)...

OCEAN 320 Midterm Exam | Questions and Answers (Complete Solutions) Which of the following is NOT a reported issue related to PCB in Beluga Whales in the St Lawrence seaway? -impaired mammary glands -rare cancerous tumors - heart disease -reduced birth rate What best describes a "Neuston" in the context of life in the ocean? -it is a philosophy for "new age" ocean thinking -it is s deep-sea life form found to have high levels of POP chemicals -It is related to shallow water ecosystems -It ...