Description : For each of the following pairs, indicate which of the two species is of large size : a. Fe^(2+) or Fe^(3+) b. Mg^(2+) or Ca^(2+)
Last Answer : For each of the following pairs, indicate which of the two species is of large size : a. Fe2+ or Fe3+ b. Mg2+ or Ca2+
Description : Which of the following is correct for r-selected species? (a) Large number of progeny with small size (b) Large number of progeny with large size (c) Small number of progeny with small size (d) Small number of progeny with large size
Last Answer : (a) Large number of progeny with small size
Description : How is the large size of some cephalopods related to the type of circulatory system they present?
Last Answer : In cephalopods the circulatory system is closed and this provides more speed and pressure for the blood circulation allowing the existence of species with large bodies, like octopuses and giant squids.
Description : During ecological succession (a) the numbers and types of animals remain constant (b) the changes lead to a community that is in near equilibrium with the environment and is called pioneer community ( ... area (d) the establishment of a new biotic community is very fast in its primary phase.
Last Answer : (c) the gradual and predictable change in species composition occurs in a given area
Description : Which sentence describes a species whose numbers are increasing?
Last Answer : The species is moved from the endangered list to the threatened list.
Description : Which of these choices is a sign that a species' numbers are declining?
Last Answer : It has been placed on the list of endangered species.
Last Answer : present In the background Almost 15 Millions Species Animals There is And Of Numbers Always Increased Going.
Description : The population of an insect species shows and explosive increase in numbers during rainy season followed by its disappearance at the end of the season
Last Answer : The population of an insect species shows and explosive increase in numbers during rainy season followed ... Its population growth curve is of J-type
Description : Pyramid of numbers deals with number of (a) species in an area (b) individuals in a community (c) individuals in a trophic level (d) subspecies in a community.
Last Answer : (c) individuals in a trophic level
Description : The population of an insect species shows an explosive increase in numbers during rainy season followed by its disappearance at the end of the season. What does this show? (a) The food plants ... The population of its predators increases enormously. (d) S-shaped or sigmoid growth of this insect.
Last Answer : (b) Its population growth curve is of J-type.