Answer:
Eco-region
Explanation:
An eco-region, also known as ecozone, is an ecological area defined by environmental conditions and natural features. An eco-region is defined by conditions such as soil type, temperature etc. Eco-regions have features like soil, that defines its boundaries. Eco-regions can be classified into biomes.
Hence, according to this question, an area defined by environmental conditions and natural features is known as ECO-REGION
C) Chromosomes are made of chromatin, which contains DNA and proteins.
Answer:
<h2>
A
</h2>
Explanation:
1. A channel between two adjacent cells in known as an intercellular cleft.
2. And through these channels many molecules can easily pass between cells.
3. Importance of Intercellular clefts:
i) It is very important in transportation of fluids and small solutes.
ii) It contains gap junctions, tight junctions, desmosomes, and adheren proteins and these junctions help in regulate cell communication by signal transduction, surface receptors, or a chemogradient.
The kidneys filter the blood to remove wastes and produce urine. The ureters, urinary bladder, and urethra together form the urinary tract, which acts as a plumbing system to drain urine from the kidneys, store it, and then release it during urination.
<span>Humans add greatly to the carbon cycle by "</span>exhalation of carbon<span> dioxide, the burning of fossil fuels, deforestation and other poor agricultural practices."
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