Which of the following statements is true? A. Biodiversity provides additional resources that raise the carrying capacity of an
ecosystem. B. Biodiversity increases an ecosystem's ability to withstand changes. C. Biodiversity makes an ecosystem more difficult to destroy. D. Biodiversity provides additional sources of food for the weakest organisms in an ecosystem. I figured out that the answer is B. Which of the following determines the carrying capacity of a particular population by an ecosystem? A. keystone species B. pioneer species C. limiting factors D. renewable resources.
Which of the following is a form of pollution triggered by formation of a gas, and can have dramatic effects on the health of the coral reef ecosystem? A. fog B. pesticides C. acid rain D. oil spill
Una variable de control (o constante científica) en la experimentación científica es un elemento experimental que es constante y sin cambios durante el curso de la investigación. ... Las variables de control en sí mismas no son de interés primario para el experimentador.
I think there is a 50% chance of the coin landing on either side because the labelling of the coin will not affect the balance of the coin, and therefore won’t alter the flip. Labelling the coin ‘b’ and B’ will result in a coin flip no different from if the coin remained unlabelled.
