Test Answers on ecology

b Chimpanzees have a relatively low birth rate. They care for their young and most chimps live a long life. The chimp survivorship curve would look like: a. a line that slopes gradually upward b. a relatively flat line that drops steeply at the end c. a line the drops steeply at first, then flattens […]

is a group of individuals of a single species that occupy the same general area Population the factors that influence a population’s density, structure, size growth rate. Population ecology focuses on is the number of individuals of a species per unit of area or volume. Population density of a population is the distribution of individuals […]

Autecology study of ecology of one species Synecology ecological research which focuses on interactions between different species in communties. Population size Factors: – Increase: Births, immigration – Decrease: deaths, emigration Estimation of abundance 1. Counting Individuals 2. Quadrats and transects 1. Counting Individuals the simplest form of calculating direct abundance 2. Quadrats and transects quadrats […]

Population Ecology The study of populations in relation to the environment, including environmental influences on population density and distribution, age structure, and variations in population size. Population Group of individuals of a single species living in the same general area. Every population has specific boundaries and a specific size. Density and Dispersion Once boundaries are […]

Biotic Factor all the living things in an ecosystem Abiotic Factor a nonliving part of an ecosystem Niche organism’s role, or job, in its habitat Habitat the type of environment in which an organism or group normally lives or occurs Population all the cases in a group, from which samples may be drawn for a […]

ecology the study of interactions among living things, and between living things and their surroundings levels of organization organism –> population –> community –> ecosystem –> biome observation the act of carefully watching something over time, key part of a scientist’s toolkit because most environmental changes happen over a long peroid of time, monitor populations […]

Write down the levels of ecosystem organization from smallest to largest organism, population, biological community, ecosystem, biomes, biosphere _________________ make their own food, while _____________________ eat other organisms for food. Autotrophs; heterotrophs When you move up an energy pyramid, the amount of available energy ↑ or ↓. By how much? ↓; by 90% What is […]

population A group of individuals that belong to the same species and live in the same area population density Number of individuals per unit area exponential growth Growth pattern in which the individuals in a population reproduce at a constant rate due to ideal conditions and unlimited resources (J shape) limiting factors Anything that limits […]

Levels of the ecosystem Individual Population Community Ecosystem Biome Biosphere What makes its own food An autotroph What eats other organisms for food Heterotrophs When you move up an energy pyramid, the amount of available goes ____ Down Difference between a food web and food chain Food chain is a linear relationship Food web is […]

abiotic any nonliving component of an environment autotroph an organism that makes its own food biodiversity the number of different species in a given area biosphere The entire portion of Earth inhabited by life; the sum of all the planet’s ecosystems. biotic the living organisms in an ecosystem carnivore a consumer that eats only animals […]

gross production the amount of organic matter (biomass) produced by plants net production the amount of organic matter produced by plants minus what is needed for plant respiration biomass the total dry organic matter of living organisms or ecosystems Net Production Formula Gross Production – Respiration Why is it difficult to classify organisms in higher […]

question 1° causes of 3rd trimester bleeding answer Placental abruption Placenta previa question Classic ultrasonography and gross appearance of complete hydatidiform mole answer – Snowstorm on ultrasonography – “Cluster-of-grapes” apperance on gross examinations question Chromosomal pattern of a complete mole answer 46, XX question Mole pregnancy containing fetal tissue answer Partial mole question Symptoms of […]

question age range of thelarche answer 8-11 question age range of menarche answer 10-16 question Follicular phase of menstrual cycles – what days? – what hormone increased? – uterine changes? answer – days 1-13 – increased FSH -> growth of follicles -> increased estrogen production – rsults in development of straight glands and thin secretions […]

question Environmental Aesthetics is the study of how to appreciate beauty in the natural world. answer True question Industrial ecology is the study of laws which are designed to protect the health of human beings and their environment. answer False question Ideally, the _____ of a particular nation or community should match the ethical commitments […]

question All of the following structures are included in the term vulva, except: A. Clitoris B. Urethral orifice C. Labia minora D. Nabothian cysts E. Bartholin’s glands answer D* Nabothian cysts 2 question The nerve supply to the vulva is derived from all of the following nerves, except: A. The pudendal nerve B. The ileo-inguinal […]

question 3 most common gynecologic malignancies answer 1. adenomocarcinoma of the endometrium 2. Epithelial ovarian cancer 3. Squamous cell carcinoma of the cervix question Type I endometrial cancer answer -*Estrogen related* -younger perimenopausal patients -*heavier patients* -low grade question Type II endometrial cancer answer -*Unrelated to estrogen* -*older patients* -thinner patients -*aggressive* -Potential genetic basis: […]

question A client comes to the prenatal clinic for her first visit. The nursing history reveals that the client’s last menstrual period was five months ago, and the client is sure she is pregnant because she has been feeling the baby move. Whcih of the following responses by the nurse is BEST? 1. “Since you […]

question Nutritional needs of lactation vs. nutritional needs of pregnancy answer The lactating women needs more CALORIES but the same amount of calcium, protein and fluids are needed. question Example two week old full term neonate – normal findings answer – regained initial weight loss within 14 days – 1 to 3 BM/day – 6 […]

______ flows through ecosystems, whereas ______ cycle. Energy. Nutrients. _________ ________ is the term for the cycling of nutrients. Biogeochemical cycles What can explain how one can have an upside-down biomass graph? Recycling Name two types of biogeochemical cycles and discuss where their resevoirs are located. Gaseous and Sedimentary. Gaseous has reservoirs of O2, CO2, […]

question What is the source of all energy in the pyramid in Model 1 answer Sunlight hitting the earth’s surface question How much energy does this source provide to a square meter of the Earth per year? (be sure your answer includes units) answer 3,190,000 kcals question Label the pyramid levels in Model 1 with […]

question Ecology answer Interaction between organisms and their environment, i.e how an animal interacts with other animals and the abiotic (Physical) environment question Management answer managing wild populations, includes conservation, harvesting valuable spp, controlling pest spp, dealing with human-wildlife conflicts question Management goals answer 1. maintain many populations at ‘natural’ densities (biodiversity) 2. increase populations […]