One of 2 mammals that lay eggs.

brown bear

echidna

ostrich

Competitive exclusion is based on the idea that Select one: a. all of these b. one species will hold some sort of advantage over the other one c. no two species can completely occupy the same niche d.

The ventricles, spaces in the brain that are filled with cerebrospinal fluid, are typically larger than normal in the brains of individuals suffering from

The main purpose of a plants flower is to

How long to children live that have piga disease in children?

Choose the best synonym to replace the underline word in the sentence below: These fossil fuels emit carbon dioxide into the air, contributing to global warming. a. burn c. release b. allow d. expire

The growth rate of a local population is dependent on the birth rate minus the death rate and

If a volcano were to erupt and release large amounts of ash into the air, how would this affect the climate on Earth? a. The ash would increase the greenhouse gases, thus increasing temperature. b.

What is the purpose of implantation pregnany?

Ivy starts to get into the hot tub, but the water feels extremely hot. She stands in the water for a few moments, then slowly eases the rest of her body down into the water.

The differences between hashimotos' thyroiditis and grave's disease include b. only hashimoto's is a type ii hypersensitivity a. only grave's disease is an autoimmune disease c.