I can't see the last codon, but from what i see ( the first 2) it looks like D but it could be C
I believe they are positioned Beneath one of the clavicles. Pacemaker is a small device that's placed in the chest or abdomen to help control abnormal heart rhythms. This device uses electrical pulses to prompt the heart to beat at a normal rate. Pacemakers are used to treat arrhythmias. Arrhythmias are problems with the rate or rhythm of heartbeat.
The killer whales primarily feed on the secondary consumers in the oceanic food web.
Explanation:
Killer whales are the tertiary consumers and occupy the highest position in the ocean food web. They are predating carnivores and feed on secondary consumers like other fishes, marine animals like leopard seals, sea turtles, dolphins, sea birds, etc. These secondary consumers in turn feed on primary consumers like zooplanktons, small fishes etc which feed on the primary producers like phytoplanktons. The energy flow is highest at the primary producer level and decreases as it goes up to the consumer levels.
Here is ur answer:
If a bird eat seeds it's likely to contribute in a natural process of transferring of seeds from once place to another and hence, it helps in transfer of seeds of various plants to different places which led to biodiversity in plants in a particular place or region.
With the rain forests disappearing rapidly, it is believed that many thousands of biological species will lose their habitats and will not survive. In addition since rainforests are responsible for regulating the global carbon dioxide concentration, it is likely that rain forest loss will impact the Earth's climate.
