Manatee mortality rates have been studied extensively to determine the greatest threats to their populations and to develop protection plans. the table below shows fractions of mortality due to various causes based on data from salvaging manatee carcasses from 2001 to 2009. based on the table below, what would be the most effective regulations to introduce to protect manatees in this region? manatee mortality rates by cause cause adult mean % of mortality calf mean % of mortality watercraft 0.54 0.36 marine debris 0.03 0.02 regulations to enforce no wake zones for boats regulations to prevent excessive runoff regulations to penalize littering regulations to reduce carbon emi

For a to be healthy, it has to have lots of different kinds of plants and animals. all of the different types of plants and animals in an ecosystem. name four types of ecosystems from those listed in the video. b) c) d) most living things live here. all living things depend on how an ecosystem like a game of sticks? why should we build new buildings on existing land? name four extinct species from those listed in the video. b) c) d) the best way to wipe out a species is to the largest ecosystem in the world is this percent of the world is covered by water. how many of all species in the world live in the ocean? list five things you can do to increase biodiversity. b) c) d) e) how many species are we losing per hour?

(select all the correct choose each statement that is scientific. - the opinions of randomly selected participants in a survey prove the idea that global temperatures are not increasing on earth. - the universe's average temperature and rate of expansion support the idea that it began as one super-dense and hot mass 13.8 billion years ago. - ocean tides are caused by the uneven gravitational pulls of the moon and sun on different parts of earth. - human life is more valuable than other forms of life on earth because humans are more intelligent than other organisms.

The illustration shown is an ovum, a female sex cell. a mutation in this cell may be passed to the woman’s offspring during a) birth. b) mitosis. c) dna replication. d) sexual reproduction