Sentences with phrase «structure of food chains»

«However our analysis suggests that where shark numbers are reduced, we see a fundamental change in the structure of food chains on reefs,» Meekan said.

Not exact matches

Additionally, production systems are related to the structure of agriculture and the larger agri - food processing and marketing parts of the supply chain.

The invasive fiber - like red seaweeds (Dasysiphonia japonica) had covered up to 90 percent of some areas, altering the visual landscape, and the newly created habitat structure now supported two to three times more small creatures at the base of the food chain.

Cellulose is an insoluble, indigestible fiber (long - chain carbohydrate) that makes up a good portion of the cell wall within plant foods, giving them rigidity and structure.

So, the difference in plant and animal - based foods must be either due to a lower percentage of protein, which might reduce IGF - 1 production, or due to some accompanying factor in the food such as sterols in animal products vs. phytosterols in plants, which have a different chemical structure such as their extra ethyl group on their side - chain.

A very well structured lesson on the topic of food chain in FRENCH.

Space Science: ♦ Life Cycle of Stars ♦ Moon Phases ♦ Space and Planets Earth Science: ♦ Clouds ♦ Erosion ♦ Fossils ♦ Landforms ♦ Natural Disasters ♦ Natural Resources ♦ Plate Tectonics ♦ Rocks and Minerals ♦ Rock Cycle ♦ Water Cycle ♦ Weather Life Science: ♦ Animal Adaptations ♦ Biomes ♦ Cell Cycle ♦ Cell Organelles ♦ DNA ♦ Evolution ♦ Food Chains ♦ Genetics ♦ Habitats ♦ Human Body Systems ♦ Life Cycles ♦ Macromolecules ♦ Plants Physical Science: ♦ Atomic Structure ♦ Electricity ♦ Electromagnetic Spectrum ♦ Elements, Compounds, and Mixtures ♦ Force and Motion ♦ Forms of Energy ♦ Magnets ♦ Periodic Table ♦ Properties of Matter ♦ Reflection and Refraction ♦ Scientific Method ♦ Simple Machines ♦ Sound and Light ♦ States of Matter ♦ Thermal Energy

This puts them at the top of the food chain, where they play an important ecological role by regulating prey populations and structuring animal communities.

Dogs thrive on structure — the structure of the pack, the food chain, when they eat, where they sleep, etc..

There may be changes in nutrient availability, biological productivity, and the structure of marine ecosystems from the bottom of the food chain to the top.