Ayuda con la tarea de biología
La parte más complicada de aprender biología es cómo hacer que los estudiantes comprendan el mundo microscópico de la biología, cómo entrar en las células y explorar genes y moléculas. Sin embargo, con el desarrollo de la tecnología de la información, la ayuda con la tarea de biología puede desempeñar un papel importante cuando ni las palabras ni las imágenes pueden explicar completamente los puntos de biología.
QuestionAI es un software de aprendizaje de biología en línea que le ayuda a aprender y dominar el conocimiento de la biología, incluida una variedad de experimentos y ejercicios correspondientes, que es fundamentalmente diferente del ayudante común de preguntas de biología. Aquí, puede simular experimentos para reproducir los escenarios experimentales, de superficial a profundo, capa por capa, para aprender y comprender los puntos de conocimiento.
- Fo KEY CONCEPT Modem classification is based on evolutionary relationships. Today, scientists use evidence from living species, the fossil record, and molecular data to figure out evolutionary relationships among species. The evolutionary history for a group of species is called a phylogeny. Phylogenies can be shown as branching tree diagrams. The branches on these trees show how different groups of species are related to each other. Cladistics is classification based on common ancestry. The goal of cladistics is to place species' in the order in which they descended from'a common ancestor.This order can be shown in a cladogram, which is an evolutionary tree that proposes how species may be related to each other through common ancestors A clade is a group of species that shares a common ancestor. Each species in a clade has some traits that have not changed from its ancestors and some traits that have changed over time. To make a cladogram, scientists must figure out which traits are shared by some of the species being studied but are not present in others.These traits are called shared derived characters. The more closely related two species are,the more derived characters they will share. Physical characteristics are often used as derived characters when building a cladogram. However, today biologists can also compare species at the molecular level. Molecular evidence, such as proteins and genes, can also be used as derived characters. In fact, DNA is considered by many scientists to have the "last word" when figuring out how closely related two species are to each other. The more similar the genes of two species are the more'closely related the species are likely to be. 1. What is a phylogeny? 2. What does a cladogram show? __ 3. How can molecular evidence show how closely related species are to each other? __
- __ Matching: __ 1. bring oxygen to cells; remove carbon dioxide __ 2. causes hair to stand up; goose bumps __ 3. contains glands, blood vessels, and nerve endings __ 4. dead growth composed of protein; you brush it __ 5. deepest layer of the skin; contains fat for insulation __ 6. found in dermis it allows body to cool through perspiration __ 7. makes oil at the base of hair shafts __ 8. outer layer of skin; cells are dead at surface __ 9. receive messages of pain, pressure, and temperature __ 10. where hair grows from a. blood vessels b. dermis c. epidermis d. arrector pili muscle e. hair follicle f. hair shaft g. hypodermis h. sebacious gland i. sensory receptors j. sweat gland
- y organismos vegetales son ejemplos de factores abioticos Falso Verdadero Los hongos , bacterias animales punto
- 1. What is the diploid number of chromosomes in tomato? __ 2. What is the haploid number of chromosomes in tomato? __ 3. Which organism has 46 chromosomes in each of its body cells? __ 4. Which cells in the human contain only 23 chromosomes? __
- ¿Qué especies esperarías encontrar en el bioma tundra? Mucha agua , serpientes , ratones, leones Osos polares , lobos, caribúes arbustos pequeños , líquenes Líquenes , arbustos grandes , abejas y lobos Osos polares , caribúes arbustos pequeños y matorrales 1 punto
