Answer:
Los primeros en llegar a tierra no solo ayudaron a alterar los ciclos de nutrientes, sino que también contribuyeron a una de las extinciones masivas de la Tierra. Y a medida que las plantas evolucionaron, también lo hicieron los ríos, creando más hábitats para las cosas verdes y los animales que siguieron.
Explanation:
English: The first arrivals on land not only helped alter nutrient cycles, but contributed to one of Earth's mass extinctions. And as plants evolved, so did rivers, creating more habitats for green things and the animals that followed.
It is called Fertilization and is the fusion of the male and female gamete
Answer:
Something that can be tested, or rationalized.
Explanation:
You didn't give any statements to choose from, so I'll give you a rule of thumb. When finding a scientific statement, make sure it's something like "The tide is higher at noon than it was at 3 am." and not "Your dog is itchy, so that means a bad storm will arrive."
Answer:
D. Both Genetics and the Environment
Explanation:
Getting a pierced ear is both a genetic and environmental trait because, in males, it is not genetically transferred, rather it is a choice to manually pierce the ear maybe at birth, or much later in life. In females, however, pierced ears is a genetic trait because it is gotten naturally when they are born
These environmental factors include where a person stays, the kind of friends they keep, and people they try to imitate. Ear piercing is something that is done manually for males for various reasons.
