6830700
Description
Flashcards by Mª Cristina E. PEÑA RUIZ, updated more than 1 year ago
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Created by Mª Cristina E. PEÑA RUIZ
about 9 years ago
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| Question | Answer |
| Basic life processes INTERACTION: detect information from the environment and react to it. | |
| Basic life processes NUTRITION: trasform the substances that we need to live and grow . | |
| Basic life processes REPRODUCTION: create new members of their own species. | |
| Animal cell | |
| Plant cell | |
| What is the function of the nucleus? | The nucleus controls everything that happens inside the cell. |
| What happens in the cytoplasm? | We find special organelles that carrry out different life processes. |
| What is the cytoplasm like? | The cytoplasm is a thick clear liquid protected by the membrane. |
| What does the membrane do? | The membrane surrounds and protect the cells. |
| What are the special organelles in the cytoplasm of plant cells? | There are special organelles called chloroplast that contain a green liquid: clorophyll |
| Plant cells contain a vacuole but....what is its function? | The vacuole is like a bag that stores food and water. When it is empty the plant loses its rigid structure. |
| Unicellular organisms | Living things made up of only one cell such as bacteria or yeast. |
| Multicellular organisms | Living things with many cells. |
| Diffferent shapes of the cells: spherical | Spherical. Example: The nerve cells. |
| Different shapes of the cells : circular | Flat an circular. Example: red blood cells. |
| Different shapes of the cells: spherical and ovals | Female reproductive cells are spherical and male reproductive cells are oval with a long tail for swimming. |
| Tissue: cells join together to form a tissue with a specific function. | |
| Organs: are made of different tissues | The function of the lungs is to absorb oxygen from the air. |
| Systems are groups of organs that work together to perfom an action. | |
| Plant cells have a rigid cell wall. | |
| Plant tissue is made of many cells join together. | |
| Plant organs are made of tissues. | A leaf is an organ. |
| Plant systems are groups of organs and tissue that together to carry out a function. | Flowers and pollen are part of the reproductive system of flowering plants. |
| The function of the roots is to absorb water and minerals but they have ... | ... root hairs that increase the area in contact with the soil. So, they can absorb more water and minerals |
| The function of the stem is ... | to support the plant and transport water, minerals and sap throughout the plant. |
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