Preview Questions Marine Biologist | Role Specific Skill

Question 1: What feature can you use to identify Scomber scombrus (Atlantic mackerel) from other mackerel species in the North Atlantic?

Which action should you take?

Choose only one option

A deeper body shape

A larger overall size compared to other mackerels

Presence of dark spots on the belly

Distinctive vertical dark stripes on the dorsal side

Question 2: In the context of marine ecosystem restoration, what is the focus of artificial reefs in the rehabilitation of degraded ecosystems?

Which action should you take?

Choose only one option

Providing habitat for marine life to support biodiversity

Enhancing sedimentation control

Restoring water quality through filtration

Promoting fishing by increasing fish populations

Question 3: Which of the following is an important characteristic for identifying species of seabirds like Sterna?

Which action should you take?

Choose only one option

Habitat preference

Flight patterns and nesting behaviors

Leg length and feather texture

Bill shape and color

Question 4: How do you differentiate between the Pacific White-Sided Dolphin (Lagenorhynchus obliquidens) and the Common Dolphin (Delphinus delphis) based on physical features?

Which action should you take?

Choose only one option

Difference in tail fluke shape

Size, with the Common Dolphin being significantly larger

Distinct dorsal fin shape in the White-Sided Dolphin

Presence of a prominent light-colored patch on the side

Question 5: What is the primary mechanism of energy transfer in a marine food web?

Which action should you take?

Choose only one option

Trophic cascades

Photosynthesis and chemosynthesis

Primary productivity and consumer-prey interactions

Detrital food chains

Question 6: How can mangrove deforestation affect the broader marine ecosystem?

Which action should you take?

Choose only one option

It enhances biodiversity by providing more open space for species

It improves water quality by reducing pollutants

It reduces coastal protection from storms and increases sedimentation

It has no significant effect on the broader marine ecosystem