Answer:
it is the base unit of temperature .
Explanation:
you can change celisus into kelvin by doing a quick math .
K = °C + 273
D. to help scientist plan an experiment in when ch no animals or humans are harmed.
Answer:
Apicomplexan.
Explanation:
Apicomplexan belongs to the large phylum of the parasitic alveolates. The apicoplast is a type of plastid present in the apicomplexans.
Apicomplexans are unicellular but not photosynthetic algae as they depends on the host organism for their food. They belong to the phylum apicomplexa. Cilia and flagella are absent in these group of organisms.
Thus, the correct answer is option (A).
Answer:
d. xylem and phloem
Explanation: plants possess vascular bundles.these are bundles which includes xylem and phloem tissues and transport useful substances to various plant cells.
New Xylem and phloem are formed from the vascular cambium which divides into new cells .
Xylem and phloem are thin and slender with pipe-like structure.
The xylem transports water and dissolved nutrients to the cells where they are needed.
The phloem transports the product of photosynthesis (sugar) to parts what they are used up or stored .
Xylem cells are dead and consists in vessels,trachieds and xylem parenchyma.
Phloem cells are dead and consists in sieves cell, companion cells, phloem parenchyma and phloem fibres.