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What happens when species over produce offspring?
they become over populated and the population declines
What does crossing-over produce in the offspring?
Crossing-over produces genetic variation in the offspring by shuffling segments of DNA between homologous chromosomes during meiosis. This process results in new combinations of genes that can lead to different traits and characteristics in the offspring.
Which process produces the most variation within a species?
Variations occurs in species due to the process of "Crossing over"
How can one species evolve from two species?
Answer 1One species can evolve from two species if the two bypass the barriers between them. These barriers can be physical. For example, mountains or if they are similar in type. A plant can not breed with a human, there are too many genetic differences. If their offspring can interbreed or have offspring of their own they can form a new species. Horses and donkeys are close in genetic type but their offspring are mules and they are infertile and can not have offspring of their own.Answer 2As noted above, a new species may emerge from a hybridisation between two closely related existing species. This is not seen very often in the more complex animals, but happens frequently in plants and may occasionally occur in insects or even birds.
How many babies can a pangolin have?
Most species have only a single offspring, while a few can have two or three at a time. Over its lifetime, an average female has about 6 to 10 offspring.
What is r strategy of reproduction?
Ecologically, a 'K' strategist is an organism that produces fewer offspring over its lifetime, but invests greater resources in those offspring. This produces a population that tends to fluctuate little over time. It is considered the ecological opposite of an 'r' strategist.
What happenswhen a species over produce offspring?
The population will diminish. Extinction will occur if insufficient reproduction continues long enough.
What types of species are most vulneraable to exstinction?
Over geologic time ALL species become extinct and are replaced by new species, that is how evolution happens.
What is an example of hybrid breakdown?
Hybrid breakdown is a form of postzygotic reproductive isolation that occurs when hybrid offspring between two species are viable and fertile in the first generation but produce inviable or sterile offspring in subsequent generations. An example of this can be seen in certain species of frogs, such as the Rana species, where hybrids between two closely related species may survive but exhibit reduced fitness and fertility in their offspring, ultimately leading to a decline in hybrid population viability over generations.
What happens when a flower produces seeds?
The plant will have seeds all over because of animals who collected them on their fur.
What do scientist think happens as populations change over time?
new species form.
What happens when invasive species enter a habitat?
They eat all the food or the species that live there. And possible take over and kill things
