R-selected species would exhibit? 1. Type 1 survival curve 2. External fertilization 3. Eutherian development 4....

R-selected species would exhibit?

1. Type 1 survival curve

2. External fertilization

3. Eutherian development

4. Viviparity

Expert Solution

R-selected species would exhibit (2) External fertilization.

R selected species is one of the terms of growth and reproductive strategies of various organisms.
The species of R related species live in unstable, unpredictable environments.
The life span of r selected species is small, maturity rate is fast and they reproduce at a faster rate.
They donot care much for their offsprings.
They live in unstable environment with a short life expectancy
The examples of R selected species include Fishes, insects, bacteria, etc.,

External Fertilization is the process where the fertilization of sperm and egg takes place outside. In external fertilization the number of offsprings are many and the mother has no need to carry the offspring in their wombs.

They exhibit Type III survivorship curve where the surviving ability is much lesser at early stage but once they survive can live longer.

They do not exhibit Eutherian or vivparity.

gladiator answered 1 year ago

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