A cell wall, because animal cells have a cell membrane, ribosomes are used to reproduce some proteins same goes for mitochondrias.
In the context of the neural impulse, the membrane that encases the axon is called semipermeable because FLUIDS CAN SOMETIMES FLOW INTO OR OUT OF IT.
Semi permeability is the ability of the membrane to allow certain substances, not all, to pass through it.
LARGEST TO SMALLEST
1. CLASS
2. ORDER
3.FAMILY
4. GENUS
5. SPECIES
Answer:
i think its something to do with circle of life or stages of growth
Explanation:
Crossing over increases genetic variation because due to this, each of the homologous chromosomes get a new combination of traits/ genes and since a each cell has different homologous chromosomes, genetic variotion will occur