Answer: within the first year, within the second year
Explanation:
Many toddlers start to sit, stand and walk by the age of 9 to 15 months of age. These are because of the changes that occur in the brain and the spinal cord. By the age of two the brain develops coordination with the muscles of the body and the infant establishes balance on the feet and hip muscles becomes strong that aids in achieving the squatting position.
Answer:
Explanation:
Digestion in ruminants occurs sequentially in a four-chambered stomach. Plant material is initially taken into the Rumen, where it is processed mechanically and exposed to bacteria than can break down cellulose (foregut fermentation).
Answer:
Meiosis is important because during sexual reproduction, it ensures that all produced organisms have the correct number of chromosomes. It is also responsible for producing genetic variations during the process of recombination, and it repairs some genetic defects.
The disadvantage from not having the trait normally arises only after the reproductive stage of the individual's lifecycle is mostly over. This is a special case of "no strong pressure", because evolution selects genes, not the organism. In other words the beneficial mutation does not alter the reproductive fitness.
Explanation:
Meiosis is important because during sexual reproduction, it ensures that all produced organisms have the correct number of chromosomes. It is also responsible for producing genetic variations during the process of recombination, and it repairs some genetic defects.
They are geologic natural disasters.
Like a prokaryotic cell<span>, a eukaryotic </span>cell<span> has a plasma </span>membrane<span>, </span>cytoplasm<span>, and ribosomes. However, unlike prokaryotic </span>cells<span>, eukaryotic </span>cells<span> have: a </span>membrane-bound nucleus<span>. numerous </span>membrane-bound<span> organelles (including the endoplasmic reticulum, Golgi apparatus, chloroplasts, and mitochondria)</span>
