We basicly can't digest them as it has cellulose and we can't digest cellulose .acc. to me in olden days early men used to survive with raw green plants because the cellulose is digested by our appendix but slowly as we stopped eating raw green plants the appendix lost it function tooo. so we should always eat a selective plant like lettuce
Burial practices has not lead to significant changes in Earth’s biomes.
big bang theory- the theory that states that the universe formed by rapid expansion of matter and energy from an initial infinitely small, dense point
biological species- a group of interbreeding organisms that can produce fertile offspring
eukaryotic cell - a type of cell that has a membrane-bound nucleus and membrane-bound organelles
evolution- the process by which inherited characteristics within a population change over generations
fossil- remains or traces of organisms preserved over long periods of time
geologic time scale- an organizational chart that chronologically divides the natural history of earth into eras and
periods
homologous structures- structures that occur in different species but are similar enough to suggest that the species had a common ancestor
natural selection- the process by which species pass on the beneficial traits that help them survive
prokaryotic cell- a type of cell without a membrane-bound nucleus and without membrane-bound organelles, considered by scientists to be a more primitive type of cell than the more complex eukaryotic cells
selective breeding- the process of breeding organisms with the most desirable traits
speciation- when natural selection leads to an entirely new species
theory- an explanation or model of related natural events that can be tested by observations or experiments
vestigial structures- structures that appear to have no function for the organism but probably had a function in an ancestral organism
Potential K- strategists include humans.
K- strategist:
The term "K-selected" or "K-strategist" refers to species whose populations vary at or close to the carrying capacity (K) of the ecosystem in which they live. Compared to r-selected species, K-strategist species have remarkably constant populations and generate relatively few offspring, but those offspring typically grow to be rather big. Lengthy gestation durations of many weeks, slow development (and hence prolonged maternal attention), and long longer lifespans are traits of K-selected species. Additionally, they typically live in ecological groups that are generally stable, including premature or climax forests.
R-strategist:
They are creatures that have high reproduction rates followed by high death rates, resulting in populations with wildly variable numbers, according to the concept of r-selected species (or r-strategist). This term is based on the concept of "r," a variable in the ecology of animal populations that denotes a species' maximal reproductive potential. The populations of r-selected species will be small outside of the mating season. R-selected organisms begin to generate a lot of progeny as soon as reproduction begins.
Therefore it is concluded that the final choice is option C, i.e., humans.
Learn more about K-strategist here:
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