I believe it is earth and Mars, if I’m wrong I’m very sorry
Answer:
1.
Explanation:
Xylem cell is a plant vascular tissue that conveys water and dissolved minerals from the roots to the rest of the plant and also provides physical support. Xylem tissue consists of a variety of specialized, water-conducting cells known as tracheary elements.
2. Phloem is the vascular tissue in charge of the transport and distribution of organic nutrients. The phloem is also a pathway to signaling molecules and has a structural function in the plant body.
3. Stomata are composed of a pair of specialized epidermal cells referred to as guard cells. Stomata regulate gas exchange between the plant and environment and control water loss by changing the size of the stomatal pore.
4. Guard cells optimize leaf gas exchange in response to changing environmental conditions and their turgor is controlled by alterations in atmospheric CO2 concentration, light intensity, humidity, and the drought hormone abscisic acid.
<span>Good Morning!
The protonema is the part of the plant that gives rise to the gametophytes in the bryophyte plants.
</span>It gives rise to gametophyte.<span>
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Answer:
Explanation:Raymond Dasmann was the first person who used the term Biological diversity in 1968. He was a wildlife scientist and conservationist. But this term gain attraction in the scientific community in the 1980s.
So during 1980s the scientific community and activists were concerned about the extinction of biodiversity so this topic gain attraction as a research subject among the scientific community.
The issue of biodiversity was first published in 1987 in journal Conservation Biology which soon popularized the concept of biodiversity and became the main journal for publication of scientific research on biodiversity.
Therefore through publication, the term biodiversity appeared which gain attraction in the scientific community, society and in politics.
