Your question: Why are terrestrial ecosystems more diverse?

Terrestrial environments are generally far more physically complex, largely because of habitat provided by plants, both above and below ground. … This, in turn, provides far more habitat diversity over smaller spatial scales than exists in most marine environments.

Which is more diverse terrestrial or aquatic?

Marine ecosystems are found in a body of water whereas terrestrial ecosystems are ecosystems that are found only on landforms. Generally, the marine ecosystems are biologically more diversified than their equivalent terrestrial ecosystems.

Why is there more diversity on land?

Most of the extraordinary diversity on land is due to insects, flowering plants, and fungi, groups with notably few species in the sea. … The absence of pollinating animals and animal-pollinated plants in the sea likewise is not an explanation for lower marine diversity.

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What is the most diverse terrestrial ecosystem and the most diverse marine ecosystem?

Tropical rain forests on land and coral reefs in marine systems are among the most biologically diverse ecosystems on Earth and have become the focus of popular attention.

What is the difference between terrestrial and marine ecosystems?

Terrestrial organisms rely on water supplied by precipitation or humidity in the air and in the soil while marine organisms are embedded in water, even if this means that they have to handle the osmotic pressure of the medium. The other is the medium on which organisms rely to make their life.

Why do terrestrial and freshwater environments have so much more biodiversity?

Terrestrial environments are generally far more physically complex, largely because of habitat provided by plants, both above and below ground. … Rooted freshwater plants tend to occur in clear, plankton-poor waters, whereas floating plants and phytoplankton dominate waters of high productivity.)

Why are marine animals more diverse than terrestrial ones?

Open system. Marine systems are more open than terrestrial ones and dispersal of species may occur over much broader ranges. … These high dispersal capacities are often associated with very high fecundities and this has important consequences for their genetic structure and their evolution..

Why are there so many diverse species?

Just why some groups contain large numbers of species while others don’t has long puzzled biologists. One of the main explanations has been geological age – older groups of organisms are more diverse because they have simply had more time to accumulate greater numbers of species.

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What is terrestrial biodiversity?

terrestrial biodiversity refers to animals, plants and micro-organisms that live on land, and also land habitats, such as forests, deserts and wetlands.

Which ecosystem has high biodiversity low biodiversity?

Estuarine areas (where rivers meet seas and oceans) have high biodiversity compared to other areas. Trophical rainforests are rich in terms of biodiversity. Arid and semiarid areas have low biodiversity. Deserts, for example, contain limited numbers of species.

Which ecosystems are considered to be the most diverse?

Tropical forests are some of the most diverse ecosystems on earth. They are home to millions of well-known species, and millions more that are still undiscovered. There are flowers, plants, grasses, birds, insects, and fish. There are even soil microbes!

Which species has most diversity?

The sponges, Poriferans, were found to have some of the greatest diversity of both body size and species, ranging from microscopic to the size of an automobile. Molluscs (snails, squid, clams, chitons), and Arthropods (crabs, insects, lobsters, copepods) also showed great diversity.

Why species diversity is important for the health of marine ecosystem?

A high biodiversity, including species richness, may enhance ecosystem processes and promote long-term stability by buffering, or insuring, against environmental fluctuations (Yachi and Loreau, 1999; Loreau, 2000).

What characteristics are most terrestrial ecosystems named?

Terrestrial biomes are distinguished primarily by their predominant vegetation, and are mainly determined by temperature and rainfall.

What is diversity and biodiversity?

The term biodiversity (from “biological diversity”) refers to the variety of life on Earth at all its levels, from genes to ecosystems, and can encompass the evolutionary, ecological, and cultural processes that sustain life.

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What are the characteristics of the terrestrial ecosystem that makes it different from an aquatic ecosystem?

Terrestrial ecosystems have some characteristics different from aquatic ecosystems—for example, the dominance of the detritus chain among grazing, detritus, and microbial chains; the rare cascading effect of predators on vegetation; the abundance of fungi; and so on.