What is a Type 2 survivorship curve?
In survivorship curve. In contrast, the Type II curve considers birds, mice, and other organisms characterized by a relatively constant mortality or survivorship rate throughout their life expectancies.
What animals have a Type 1 survivorship curve?
Humans and most primates have a Type I survivorship curve. In a Type I curve, organisms tend not to die when they are young or middle-aged but, instead, die when they become elderly.
What is the difference between a Type 1 and Type 3 survivorship curve?
Type I curves depict individuals that have a high probability of surviving to adulthood. Type II curves depict individuals whose chance of survival is independent of age. Type III curves depict individuals that mostly die in the early stages of their life.
What is concave survivorship curve?
Type III or concave curves have the greatest mortality (lowest age-specific survival) early in life, with relatively low rates of death (high probability of survival) for those surviving this bottleneck. This type of curve is characteristic of species that produce a large number of offspring (see r/K selection theory).
Which of these best describes Type 3 survivorship?
Which of these best describes Type III survivorship? Survivorship is high for the few individuals that survive to a certain age.
Do r selected species have a Type 3 survivorship curve?
R selected species have a large amount of offspring per reproductive age. However they have a Type 3 survival curve which means that most of the offspring die off during their early ages and the few live to their old age.
What are the three types of the survivorship curve?
– Late loss, high mortality rate after reaching old agae – High survivorship throughout life till old age sets in – Majority reaches maturity – Typical of k selected species with very few offspring’s. See r-selected vs k selected species
What types of organisms exhibit a Type 3 survivorship curve?
Trees, marine invertebrates, and most fish have a Type III survivorship curve. In a Type III curve, very few organisms survive their younger years. However, the lucky ones that make it through youth are likely to have pretty long lives after that. What is a Type 3 organism?
What do animals have a Type 3 survivorship curve?
Ovulation factor. If you have regular menstrual cycles,you are probably ovulating (releasing ripe eggs from your ovary).
What are the 3 types of Survivorship curves in ecology?
Survivorship curve. A survivorship curve is a graph showing the number or proportion of individuals surviving to each age for a given species or group (e.g. males or females). Survivorship curves can be constructed for a given cohort (a group of individuals of roughly the same age) based on a life table . There are three generalized types of