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What are the key differences in reproductive strategies between r-strategist and K-strategist species?
R-strategist species have many offspring with little parental care, while K-strategist species have fewer offspring with more parental care.
What is a major cause of variation within species?
Genetic variation, caused by mutations in DNA, is a major source of variation within species. Mutations can lead to differences in traits such as color, size, and behavior, allowing for natural selection to act upon these variations.
When microevolution occurs over many generations as inherited characterisitcs lead to changes in populations what has occured?
This process is known as speciation, where a new species is formed due to the accumulation of genetic differences over many generations. As populations diverge through microevolution, they can eventually become reproductively isolated from each other, leading to the formation of distinct species.
How similar is the DNA of dogs and humans?
The DNA of dogs and humans is about 84 similar. This means that there are many genetic similarities between the two species, but also significant differences that account for their unique characteristics and traits.
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.
Why India is divided into so many parts and what are the benefits of these divisions?
India is divided into many ststes on the basis of regional differences, for the administrative convenience.
Any differences between individuals of the same species?
Of course - look at the many differences existing between the human race.
Do seagulls from different countries sound the same?
Seagulls from different countries generally have similar vocalizations, but there can be variations in their calls depending on the species and local adaptations. Factors such as habitat, social structure, and environment can influence their sounds. While many seagulls may share common vocal traits, regional differences can lead to distinct variations in their calls. Overall, while they might sound alike to an untrained ear, subtle differences do exist among species and populations.
How many species of hardwood are there?
There are approximately 90 different species of hardwood trees, ranging across various genera and families. Some of the most common hardwood species include oak, maple, cherry, and walnut. The total number of hardwood species can vary due to ongoing taxonomic research and discovery, as well as regional differences in biodiversity. However, hardwoods are primarily classified based on their broad leaves and are found in various ecosystems around the world.
Did the American system offer a good solution to regional differences?
yes it did it helped very many people understand things that they didnt before
How do you determine a plants age?
It often depends on the plant species. But for most species of trees it is often how many rings it has in its cell wall. For plant species all together it is often the thickness of the cell wall.
What are the differences between male and female tetras?
Male and female tetras can often be distinguished by their size and coloration. In many species, males are typically smaller and more brightly colored than females. Additionally, male tetras may have more elongated fins or other physical characteristics that help them attract females during mating rituals. It is important to note that these differences can vary between species of tetras.
What are the differences and similarities between the following terms organism population community ecosystem?
a population is a count of one species & a community counts as many species all at same time.
What is it called when males and females of the same species vary in size?
When males and females of the same species vary in size, it is referred to as sexual dimorphism. This phenomenon often occurs in species where size differences are linked to reproductive roles, such as in mate selection or competition. In many cases, one sex may be significantly larger or smaller than the other, influencing various behavioral and ecological dynamics within the species.
What are the key differences in reproductive strategies between r-strategist and K-strategist species?
R-strategist species have many offspring with little parental care, while K-strategist species have fewer offspring with more parental care.
How do local and national differences affect culture on a regional or global level?
Local and national differences influence culture at both regional and global levels by shaping unique traditions, languages, values, and norms. These differences contribute to cultural diversity and foster a sense of identity among different groups. Shared societal values within a region can also influence global cultural trends and interactions.
How can the age of a plant be determined?
It usually depends on the plant species. But for most species of trees it is often how many rings it has in its cell wall or bottom of the trunk. For plant species all together it is often the thickness of the cell wall.
