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what is joints joints are locations where two or more bones come together or articulate bones are joined with varying degrees of rigidity joints may
what is cartilage explain brieflysome bones such as the bones in the skull develop directly from membranous connective tissue but in human fetal
explain the role of bones in human biologybone is covered by a tough outer membrane called the periosteum the periosteum contains systems of
explain the skeletal systemskeletal system the support framework or skeleton in the human body is composed of mostly hard mineral substances unlike
explain the integumentary system in human biologythe skin its glands and outgrowths form the integumentary system this system provides protection
organ systems organisms are composed of organ systems each organ system is made up of several different organs for example the digestive system
explain temperate deciduous forests-taiga and tundratemperate deciduous forests are typified by the type of forests predominantly found in the
what is temperate grasslandsgrasslands are known by their common names in different regions of the world such as the plains or prairies in north
explain the differance between savanna and desertsavanna savanna is characterized by relatively low rainfall and pronounced dry seasons this type of
explain tropical rain forests in biomesyou probably are well aware of the danger that the worlds rain forests are facing in terms of extinction there
explain what is biomes and their typesscientists study biological systems as units for instance an ecosystem unit consists of a community and its
explain the productivity of ecologywhen scientists study an ecosystem as a whole they often examine the relationships between feeding or trophic
explain the energy flow of ecologyenergy flow as you can see energy flow is one way in an ecosystem energy is not recycled the ultimate source of
what is trophic levels and food webstrophic levels and food webs energy flows and nutrients are cycled through an ecosystem via organisms that feed
explain the life cycle of nitrogen nitrogen cycle along with carbon hydrogen and oxygen nitrogen is one of the most common elements that form
explain the life cycle of waterthe water cycle or hydrologic cycle is one of the most important processes to living organisms on earth consider the
what is carbon cycle explain brieflylife on earth is mainly carbon-based most of the material substances that make up living organisms consist of
explain nutrient cycling and their processestwo major processes are common to all ecosystems nutrient cycling and the flow of energy these two
what is eutrophication in ecology explain brieflyfreshwater ecosystems demonstrate the close relationship between aquatic and terrestrial ecosystems
explain the ecosystemsthe ecosystem is yet another level or ecological unit studied by ecologists an ecosystem encompasses all of the organisms all
explain the symbiotic relationships and their typessymbiosis refers to a special type of association in which two species live together in a closely
explain the predator-prey relationships the feeding by a population of one species upon members of another species is referred to as predation many
what is coevolution there is considerable evidence that supports an interesting theory that two individual species can affect each others evolution
what is community ecology explain their charactersticscommunity ecology in ecological terms a community consists of an assemblage of all of the
define r and k strategistsecologists have identified two major types of reproductive strategies among species characteristic patterns can be seen