Answer:
Major human proximate causes, such as fossil fuel burning, are conducted by many actors and for many purposes: electricity generation, motorized transport, space conditioning, industrial process heat, and so forth.
Explanation:
Answer:
all living beings are made up of cells.
Cell is the most basic unit of life.
All cells must come from pre-existing cells
Explanation:
those are statements from the cell theory
Answer:changes in environmental conditions
Explanation: The kingdom protista includes algae with chlorophyll and are autotrophic in nutrition.They may be Unicellular or multicelllular.some are colonial and others are filamentuous.some protista undergoes both sexual and asexual reproduction eg chlamydomonas and ulothrix.
In asexual reproduction,the cell divides by mitosis;first in the nucleus and chloroplast and later in the cytoplasm.
sexual reproduction occurs when conditions are quite unfavourable.This is essential because recombination of genes occurs during sexual reproduction ,thus leading to genetic variation.the zygote formed may remain in a dormant state until conditions becomes favourable
Two beneficial uses of bacteria include the following:
1. <span>Microbial fermentation helps produce many foods & beverages. Latic acid bacteria are used in producing milk, yogurt, pickles, olives, etc. Bacteria are also involved in making fermentated meats, producing vinegar, chocolate, soy sauce, etc.
2. </span><span>Bacteria can be genetically modified to produce human vaccines like insulin, which is required for diabetic patients.</span>
