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trapecia [35]
3 years ago
5

What are attributes and the contributions of Rhizaria to the ecosystem?

Biology
1 answer:
Butoxors [25]3 years ago
7 0

Answer:

The Rhizaria are supergroup species of mostly unicellular eukaryotes and classified as protista. Rhizaria include species like cercozoa, foraminifera and radiolaria.

<u>Some of the attributes of Rhizaria are:</u>

  • non-photosynthethic in nature, but some have a symbiotic relationship with unicellular algae.
  • express only rDNA sequences so they can vary in different forms.
  • do not have clear morphological characters
  • they mostly includes amoebas which functions for food engulfing and help to direct movement in rhizarian protista.

<u>Contribution of Rhizaria to the ecosystem:</u>

  • There are known as abundant bacterial grazers, and play very important role in microbial food webs.
  • They provide a wide diversity of marine organisms.
  • important contributors to oceanic carbon pools .

Hence, Rhizaria are important part of ecosystem.

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Matter is reused in both the water cycle and the carbon cycle.
mina [271]

ANSWER:

this is true

7 0
3 years ago
A land developer and several ecologists are discussing how a parcel of private land should be developed with housing while savin
FromTheMoon [43]

Options for the question have not been provided. They are as follows:

A) The single intact parcel would have a smaller amount of edge than the 20 separate parcels.

B) The isolated hectare plots increase the ability of individuals to disperse from one habitat to another.

C) The separate 1-hectare plots are less vulnerable to edge effects.

D) The large plot will create more inbreeding in many species.

Answer:

A) The single intact parcel would have a smaller amount of edge than the 20 separate parcels.

Explanation:

In the given case, 20 hectares of land has been allocated to natural habitat. This means that natural flora and fauna will flourish here without any human interference. In this situation it is better to have an intact 20 hectares area at one side of the land, rather than having 20 separately spread out 1 hectare areas. This is because having one large piece of land at one side will reduce the edge effect.

Edges occur where two different habitats meet. While edges can be beneficial when it comes to natural habitats because the boundary habitat increases overall biodiversity, it can be detrimental when the edges are due to human settlements. It will be difficult to avoid human interference as the natural habitats are scattered among human settlements. Each individual plot will also get less area due to which it will be difficult for all the species to accommodate comfortably. Many animals can venture out in search of food which can be dangerous to both animals and humans. It is better to have a big separate land at one corner so that everyone can survive peacefully.

3 0
3 years ago
Most familiar non-vascular plants that contain simple conducting cells are
trapecia [35]
The most familiar non-vascular plants that contain simple conducting cells are Mosses. Most non vascular are bryophytes and are small in size, they lack vascular tissues and also lack true leaves, seeds, and flowers. Instead of roots, the have hair-like rhizoids that functions to anchor them to the ground and to absorb water and mineral salts from the soil. They are three types, mosses, hornworts and liverworts.
5 0
3 years ago
The papillary muscles contract after the other ventricular muscles so that they can take up the slack on the chordae tendineae b
sashaice [31]

Answer:

False

Explanation:

The papillary muscles of both right and left ventricles began to contract shortly before the other ventricular muscles (systole) so that they can take up the slack on the chordae tendineae as the full force of ventricular contractions sends blood against the atrioventricular (AV) valve flaps.

They prevent the backward flow of blood to atria from ventricles. So if they contract after the ventricle systole they would not be able to perform their job.

8 0
3 years ago
I NEED HELP PLEASE here is the problem
Serga [27]

Answer:

B

Explanation:

8 0
3 years ago
Read 2 more answers
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