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Home Question Bank Biology Archive 2024 December 01

Biology Questions from Dec 01,2024

Browse the Biology Q&A Archive for Dec 01,2024, featuring a collection of homework questions and answers from this day. Find detailed solutions to enhance your understanding.

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- organisms are composed of many cells. is the mistaken idea that living organisms arise from non- 5. A change in an organism's environment that causes the organism to called a(n) St mU US. 6. Organisms that make their own food are QUESTION 10 Traumatic Brain Injury is an open or closed head injury resulting in impairments in judgement and other areas. True False Click Save and Submit to save and submit. Click Save All Answers to save all answers. QUESTION 3 What is the best description of the inattentive type of AD/HD? Inability to get focused or stay focused on a task or activity. Extremely active person who also acts without thinking Inattentive, impulsive, and too active Hyper-focused on a singular activity. QUESTION 4 What is the best description of the combined type of AD/HD? Inability to get focused or stay focused on a task orr activity. Inattentive, impulsive, and too active Hyper-focused on a singular activity. 5. Los organismos actividades biológicas a. Aporte energético b. Comer c. Transferir la energía d. Realizar la fotosinte 1. Los seres autótrofos son quienes realizan la: a. Transferencia de calor b. Fotosintesis c. Biomasa d. Ley de diezmo ecológico 2. ¿Las redes tróficas son lineales? a. Si b. No c. Casi siempre d. A veces 3. ¿Cómo se le llama al paso de energía de un organismo a otro? a. Flujo de energía b. Transferencia c. Niveles alimentarios d. Consumidor 4. ¿De qué factor dependen las relaciones energéticas entre los niveles tróficos? a. De la energía b. De la biomasa c. De la transferencia de calor d. De la transferencia de energía 4. In at least one complete sentence, summarize how factors in ecosystems affect the fish. More specifically, how does temperature affect the fish's metabolism? 1. La principal amenaza a la pérdida de la biodiversidad es: a. La fragmentación de los hábitats b. Extinción de especies c. Ambas respuestas son correctas 2. Las redes de interacción son utilizadas para: a. Revisar las condiciones de las redes tróficas en un ecosistem b. Evaluar las condiciones de las redes tróficas en un ecosisten c. Comparar las condiciones de las redes tróficas en un ecosist 3. El registro de especies puede servir para: a. Estudiar los efectos de la fragmentación del hábitat b. Reconocer los efectos de la fragmentación del hábitat c. Evaluar los resultados a largo plazo 4. ¿Qué especies son más susceptibles de la extinción? a. Niveles tróficos bajos b. Niveles tróficos intermedios c. Niveles tróficos altos 5. La fragmentación de los hábitats conllevará como resultac a. El acortamiento de las cadenas alimentarias b. Extinción de especies c. Ambas respuestas son correctas Select all the correct answers. Belore the discovery of cells, people believed in the theory of spontaneous generation. According to this theory, living things can come from nonliving things. On the basis of this theory, people believed that maggots that formed on cheese spontaneously arose from the cheese. Which two statements disprove this theory of spontaneous generation? All matter is made of cells. Cells are generally microscopic and impossible to detect with the naked eye. Living cells can only come from previously existing matter. A scientist is studying a population of fish in a lake. The number of fish, \( N \), in the population, \( t \) years after the start of the study, is modelled by the equation \[ N=\frac{250 e^{0.2 t}}{1+0.25 e^{0.2 t}} t \geq 0 \] (a) Find, according to the model, the number of fish in the lake at the start of the study. (b) Find, according to the model, the value of \( t \) when there are 800 fish in the lake, giving your answer to the nearest integer. (c) Use calculus to find \( \frac{d N}{d t} \) Given that \( \frac{d N}{d t}=10 \), (d) find the value of \( t \) to one decimal place. (e) By graphing the function \( N=\frac{250 e^{0.2 t}}{1+0.25 e^{0.2 t}} \) for \( 0 \leq t \leq 70 \), deduce the maximum number of fish, the scientist found the lake can sustain.
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