Mangroves and coastal ecosystems — AS & A Level Marine Science (9693) questions by topic

Fig. 4.1 shows a diagram of an estuary viewed from above. Fig. 4.2 shows how the salinity changes at location X in the estuary during a 24-hour period. Fig. 4.1 is a map of an…

Fig. 1.1 shows part of a red mangrove tree, Rhizophora mangle. A propagule is labelled in a photograph of leaves and stems hanging over water. Rhizophora mangle reproduces using…

Fig. 1.1 shows a red mangrove (Rhizophora mangle). The photograph shows the mangrove tree with numerous arching prop roots (also called stilt roots) descending from the trunk and…

Fig. 4.1 shows a Southern flounder, a species of fish that lives and reproduces in estuaries — a photograph showing a flatfish with mottled brown colouring, lying flat. Scientists…

Mar Menor is the largest coastal lagoon in Spain and is a major tourist destination. There are no rivers entering the lagoon, so the water there is calm, and has a maximum depth…

Oysters can grow in a range of salinities from 10 parts per thousand (ppt) in estuaries to 34 ppt in sea water. Fig. 2.1 shows how the concentration of body fluids in oysters…

A student investigated the effect of sucrose concentration on mangrove root cells. Table 4.1 shows the sucrose concentration, percentage change in mass of root sections and turgor…

A student investigated the effect of sucrose concentration on mangrove root cells. Table 4.1 shows the sucrose concentration, percentage change in mass of root sections and turgor…

Seagrasses have a global distribution. Seagrass beds are highly productive and economically valuable habitats. (i) Explain why seagrass beds are highly productive. [3] (ii)…

Seagrasses have a global distribution. Seagrass beds are highly productive and economically valuable habitats. (i) Explain why seagrass beds are highly productive. [3] (ii)…

Manatees are large marine mammals that feed on seagrass in Florida. Fig. 3.1 shows a seagrass plant. Label four features of the seagrass plant shown in Fig. 3.1.

Mangrove forests grow in tropical and subtropical coastal areas where there is an estuary. Explain how sediment is formed and deposited in estuaries where mangroves grow.

Manatees are large marine mammals that feed on seagrass in Florida. Fig. 3.1 shows a seagrass plant. Label four features of the seagrass plant shown in Fig. 3.1.

Mangrove forests grow in tropical and subtropical coastal areas where there is an estuary. Explain how sediment is formed and deposited in estuaries where mangroves grow.

Manatees are large marine mammals that feed on seagrass in Florida. Fig. 3.1 shows a seagrass plant. Label four features of the seagrass plant shown in Fig. 3.1.

Mangrove forests grow in tropical and subtropical coastal areas where there is an estuary. Explain how sediment is formed and deposited in estuaries where mangroves grow.

Fig. 1.1 shows a cell from a mangrove leaf, as seen under a microscope. A scale bar of 4 μm is shown. Circle the correct magnification used to draw this cell. ×500 ×2000 ×5000 ×10…

Fig. 1.1 shows a cell from a mangrove leaf, as seen under a microscope. A scale bar of 4 μm is shown. Circle the correct magnification used to draw this cell. ×500 ×2000 ×5000 ×10…

Fig. 1.1 shows a cell from a mangrove leaf, as seen under a microscope. A scale bar of 4 μm is shown. Circle the correct magnification used to draw this cell. ×500 ×2000 ×5000 ×10…

Mangrove forests grow on the shores of many tropical and subtropical countries. Discuss the ecological and economic importance of mangrove forests.

Mangrove forests grow on the shores of many tropical and subtropical countries. Discuss the ecological and economic importance of mangrove forests.

Mangrove forests are globally threatened ecosystems. Describe one adaptation of the red mangrove tree (Rhizophora mangle) for its environment.

New River estuary in South Island, New Zealand, is a shallow tidal lagoon. The estuary has a wide range of wetland habitats, including extensive mudflats, saltmarsh and seagrass.…

The delta of the Mekong river covers an area of 40 000 hectares in south eastern Vietnam. Describe how a delta is formed.

Fig. 2.1 shows the Mekong delta in Vietnam, where shrimp and rice are farmed. The shrimp are farmed in ponds close to the sea. Suggest how a delta is formed.

Define the term ecosystem.

Mangrove forests are important ecosystems. Explain the term ecosystem.

Mangrove forests are important ecosystems. Explain the term ecosystem.

Fig. 1.1 shows a generalised animal cell. Complete Table 1.1 to match each organelle to its function. Use only the letters shown in Fig. 1.1.

Fig. 1.1 shows an animal cell from a marine organism as seen under an electron microscope. Use Fig. 1.1 to complete Table 1.1 by matching the function of each structure with the…

Fig. 1.1 shows an animal cell from a marine organism as seen under an electron microscope. Use Fig. 1.1 to complete Table 1.1 by matching the function of each structure with the…

Desalination plants are industrial factories that produce fresh water from sea water. Desalination plants are thought to be harmful to seagrass beds due to the release of highly…

Mangrove forests are areas of environmental importance. Replanting mangroves has been suggested as a method to increase the biodiversity of the areas they are grown in. Fig. 4.1…

Desalination plants are industrial factories that produce fresh water from sea water. Desalination plants are thought to be harmful to seagrass beds due to the release of highly…

Mangrove forests are areas of environmental importance. Replanting mangroves has been suggested as a method to increase the biodiversity of the areas they are grown in. Fig. 4.1…

Desalination plants are industrial factories that produce fresh water from sea water. Desalination plants are thought to be harmful to seagrass beds due to the release of highly…

Mangrove forests are areas of environmental importance. Replanting mangroves has been suggested as a method to increase the biodiversity of the areas they are grown in. Fig. 4.1…