Why is a parrot endangered? Habitat loss, climate change and wildlife trade are the main threats to parrots. The scarlet macaw and military macaw are...
What are the two groups that scientists put animals into?
What are the two groups that scientists put animals into? In accordance with the Linnaeus method, scientists classify the animals, as they do the plants,...
What are the first signs of puberty in a girl?
What are the first signs of puberty in a girl? In girls, the signs of precocious puberty are:Breast development.Pubic or underarm hair.Rapid height growth -...
What happens when the number of prey increases when predators increase?
What happens when the number of prey increases when predators increase? As predator populations increase, they put greater strain on the prey populations and act...
Who invented biomass?
Who invented biomass? Jens Dall Bentzen A biomass system created by Danish inventor Jens Dall Bentzen greatly increases the types of biomass fuels that can...
What sex chromosomes does a normal human egg contain?
What sex chromosomes does a normal human egg contain? Egg cells all contain an X chromosome, while sperm cells contain an X or Y chromosome....
Do any animals live in the Yellow river?
Do any animals live in the Yellow river? There are small populations of various ungulates in the higher reaches of the river, including rare species...
Where have mammoths been found?
Where have mammoths been found? Mammoth fossils have been found throughout the Bay Area and throughout North America. There are two kinds of mammoths. Columbian...
What is an eagle egg PIP?
What is an eagle egg PIP? The hole poked through the membrane is called the internal pip. The hole pecked through the egg shell is...
What is CC in genotype?
What is CC in genotype? What type of genotype is CC? The CC genotype is often referred to as “homozygous normal,” meaning that both copies...