The wood thrush makes its nest in woodlands in the northern and eastern united states. as patches of woods become smaller, increasing numbers of wood thrush nests have eggs laid in them by the brown-headed cowbird. cowbirds live in open fields and are nest parasites; the female cowbird flies up to an unattended nest, quickly lays an egg in another bird's nest, and leaves the host parents to raise their "adopted" young. wood thrushes are decreasing in numbers because

The negative impacts of nonnative species generally outweigh the positive impacts

Ineed to get this test done which of the following statements is correct in hour our immune system responds to a potential pathogen? a.) the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. b.) b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c.) the adapted immune system will call on the innate immune system to destroy the pathogen. d.) the t-cells in the adapted immune systems are the first to recognize the pathogen

Grasses--> mice--> cats--> coyotes suppose 10,000 units of energy are available at the level of the grasses. what is the total number of energy units lost by the time energy reaches the coyote?