- monotreme reproductive biology and behavior monotremes are mammals that are oviparous, or egg-laying there are only 3 extant species of monotremes: the playtpus and two species of echidna their reproductive systems are highly specialized to facilitate both the production of eggs and milk the male tract is quite simple. Random sampling allows you to make an estimate of the populations of different species in any area nuffield foundation » teachers » practical biology » environment » fieldwork techniques » biodiversity in your backyard you can test whether your sample size is big enough by comparing the results from two groups sampling the same. A) the absence of an aquatic environment for r eproduction b) the absence of an aquatic environment to support the plant body c ) dehydration of the plant 9) (91) a group of students designed an experiment to measure transpiration rates in a particular species of herbaceous plant.
The graph above shows the mass of plants from two different species over time the plants grew while attached lines if the species 2 plant was a parasite of the species 1 plant ap biology 2016 free-response questions author: ets subject. Uplift and formation of a mountain range divide a freshwater snail species into two isolated populations erosion eventually lowers the mountain range and brings the two populations together again, but when they mate, the resulting hybrids all produce sterile young.
G11 outline the factors that affect the distribution of plant species, including temperature, water, light, soil ph, salinity and mineral nutrients temperature: determines rate of biochemical reactions (most eukaryotic green plants function within 0-50 degrees celsius. An insect acts as a pollinator for a plant species the two populations of squirrels evolve into two separate species what is the name of the process by which isolated populations of the same species become new species speciation.
Biology investigation – comparing the populations of two plant species in same area essay sample introduction: mimosa pudica or also called sensitive plant or touch-me-not, is a prostrate to semi erect herb, 03 to 08 m tall, often forming a small compact bush about 06 m tall branches glabrous or pubescent, heavily armed with broad-based.
Population measurements are useful for comparing between species or between communities of the same species an investigation of a plant population can give information on the condition of soil preferable to the plant.
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