¿En cuál opción se muestra el papel del ser humano en la protección de la biodiversidad? A. Construir presas en ríos para cuidar a las especies nativas del ecosistema. B. Denunciar el comercio ilegal de especies ante las autoridades competentes. C. Comprar animales exóticos, pero verificar que no estén en peligro de extinción. D. Eliminar a los seres vivos que pueden picar a las personas, por ejemplo, las avispas y las culebras.

Use this dichotomous key for insect identification to identify the insect shown. 1. a. insect has one pair of wings. order diptera b. insect has two pairs of wings. go to #2 2. a. front wings thicker in texture than hind wings go to #3. b. front and hind wings are same texture throughout. go to #4 3. a. front wings are short order dermaptera b. front wings cover entire abdomen order coleoptera 4. a. wings with scale on all parts of their area. order lepidoptera b. wings without scales go to #5. 5. a. hind wings smaller than front wings. order ephemeroptera b. front and hind wings nearly equal in size. order odonata the insect pictured is in the order diptera. ephemeroptera. coleoptera. odonata.

Modern sea star larvae resemble some primitive vertebrate larvae. this similarity may suggest that primitive vertebrates

In an hydrogen ion pump the energy is used to join small molecules together to make larger ones which factor most likely has the greatest effect on the number of molecules mitochondria can produce