Biology, 23.12.2019 07:31 karlavanderwalt9570
Why is death by predators more natural or right then death by starvation? how does one determine when an ecosystem is in balance? do predators really kill only the old and sick prey? what evidence is there for this statement
Answers: 3
Biology, 21.06.2019 20:30
Chinese privet is a plant that is native to china. over 150 years ago, chinese privet was introduced to the united states as a fast-growing shrub that serves as an excellent privacy hedge. with no natural herbivore, chinese privet quickly established itself and spread in natural areas throughout the southeast and eastern seaboard of the united states. its dominance in these areas has jeopardized the survival of native plant species. chinese privet provides evidence that introducing non-native organisms can cause environmental damage integrated pest management strategies will not decrease chinese privet populations american gardeners can easily control the spread of chinese privet non-native plant species have type i survivorship curves
Answers: 3
Biology, 22.06.2019 07:30
The illustration shown is an ovum, a female sex cell. a mutation in this cell may be passed to the womanβs offspring during a) birth. b) mitosis. c) dna replication. d) sexual reproduction
Answers: 1
Biology, 22.06.2019 15:30
Which of the following statements is correct in hour our immune system responds to a potential pathogen? a. the adapted immune system will call on the innate immune system to destroy the pathogen. b. b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c. the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. d. the t-cells in the adapted immune systems are the first to recognize the pathogen vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a. antigen, antibody b. antibody, antigen c. antibody, antibiotic d. antibiotic, antibody
Answers: 1
Why is death by predators more natural or right then death by starvation? how does one determine whe...
World Languages, 08.10.2019 04:00
History, 08.10.2019 04:10
History, 08.10.2019 04:10
Mathematics, 08.10.2019 04:10