Once an egg has been fertilized,
a zygote is formed
a barrier to other sperm forms immediately
new genes are formed
cytoplasm is always exchanged(can be more than one answer)
the zygote becomes haploid

This aquarium exhibits biotic and abiotic factors in an aquatic environment. one of the abiotic factors is

What is an endocrine function? (apex) a.esophageal glands release mucus into the esophagus b.salivary glands release saliva into mouth c.swear glands release sweat to the skin d.the pineal gland releases melatonin into the bloodstream

Why do we perceive objects as retaining their brightness under different lighting levels?