Answer:
Red blood cells, root hair cells in plants
Explanation:
Red blood cell: it has no nucleus. It offers the cell to carry more hemoglobin
Root hair cells in plants: they have a large cytoplasm which enables them to take water from the soil.
Explanation:
The statistical study of populations and how they change over time is called demography. Two important measures of a population are population size, the number of individuals, and population density, the number of individuals per unit area or volume.
The increased temperature melts glaciers, ice caps etc. and thus increases the sea levels
<span>The correct answer is C.
It reaches sexual maturity at 15 years of age.
K-Selection is termed as the selection of combination of traits in an organism.
They trade off between quality and quantity of offspring. This theory was used as a heuristic device. K-selection theory, selective pressure are hypothesized to drive evolution in one generalized direction.
The best example which illustrates this k-selection is a polar bear producing one two cubs for every period of three years.</span>
Answer:
B. Nucleus
Explanation:
The nucleus is a double membrane-bound structure responsible for controlling all cellular activities as well as a center for genetic materials, and it's transferring. It is one of the large cell organelles occupying 10% of total space in the cell.